Code p2646 honda element

Jul 10, 2015 · Okay so to add to this set up death to a Honda issue. Becuase I too have been suffering this plaque. Long and short: First time this happened a local oil change place put 10w40 in my Element. Within a mile of the shop it blew P2646 code. Took it to my mechanic, he did a oil test and thats how I know what was put in the car.

Code p2646 honda element. Causes of code P2646 on a Honda CR-V. There are several potential causes for code P2646 on a Honda CR-V: 1. Defective VVT oil pressure switch: The switch may be faulty or malfunctioning, causing incorrect signals to be sent to the engine control module (ECM).

The code came up P2646 (rocker arm off or stuck). I took the info and drove about 20 more total miles and then it happened once again. I looked at the some info online and decided it might be VTEC oil pressure switch related as the code diagnostics said. SO I picked up one up and installed it.

A P2646 code is an OBD code for the Engine Control Module (ECM) detecting that the “A” rocker arm actuator control circuit for bank 1 has a performance issue or is stuck in the off position. I do not own a service manual. My Malfunction Indicator Lamp (MIL) came on yesterday. I took the Element to AutoZone for them to put their scanner on it and was told "P2646: Rocker arm actuator A- Bank 1 Perf. or Stuck off." I also used canobd2.com and for Honda they list P2646 as: "A Rocker Arm Actuator System Performance or Stuck Off Bank 1 ...Jan 2, 2022 · 176 posts · Joined 2017. #5 · Jan 2, 2022. I switch to 5-30 oil over 200k miles to prevent the oil pressure drop which CAN (not does) trigger a P2646 code with loose bearing clearances on higher mileage engines. That and clean oil, and clean screens, help 90% of the time. Mike1953. Jan 2, 2022 · 176 posts · Joined 2017. #5 · Jan 2, 2022. I switch to 5-30 oil over 200k miles to prevent the oil pressure drop which CAN (not does) trigger a P2646 code with loose bearing clearances on higher mileage engines. That and clean oil, and clean screens, help 90% of the time. Mike1953. Code P2646 troubles My element has had this code pop up on and off for probably about a year now. When it occurs, the engine light, traction, and VSA light all turn on and the car …My 2006 Honda Element EX-P is just over 165k miles and has been having issues starting. The problem began during the winter where the car would struggle to start during cold weather, and only on the first start of the day. ... Battery check showed the charge, alternator, and starter to be fine. I got engine codes P1009 and P2646. The car …Title Price Buy; Top Top: Castrol Edge 5W-40 A3/B4 Advanced Full Synthetic Motor Oil, 5 Quart Jug: Buy Now: Top Top: Dodge Ram 6.7L Cummins Diesel Fuel Filter Water Separator And Oil Filter Set for Dodge Ram 2013-2018 2500 3500 4500 5500 6.7L Turbo Diesel Engines 68197867AA 68157291AA 5083285AA

Constant P2646 and P2647 VTEC issues. Replaced the spool valve / vtec valve with a genuine honda part. Drove fine for 2 weeks and codes are back. I had a oil change with synthetic 5w-20 and checked for clogged screen behind the power steering pump.P2646 for the A rocker arm actuator not performing. Was not in limp mode, just sluggish. Went and got the oil changed, reset, went away for an hour and came back. A day later I pick up a brand new OEM valve spool assembly from a Honda dealership. Had it put on by someone I trust at a local service center. Code was cleared, all was well.Dec 24, 2018 · First,take out the dipstick and check the color of the oil.Is it clean?If relatively clean,there might be a problem with the VTEC valve assembly. Follow this video to replace it. 1 Like. Tester December 24, 2018, 4:15pm 3. Change the oil and filter and add Seafoam to the oil to see if provides any benefit. In today’s digital age, having a strong online presence is crucial for businesses and individuals alike. One of the key elements in establishing an effective online presence is cre...What does this mean? Code Tech Notes. The most common problem that can set the P2652 code is the engine oil. Before replacing any parts change the engine …The VTEC system controls the variable valve timing in your Element. It does this by activating the VTEC/Rocker arm solenoid. It uses the Rocker Arm oil pressure switch to monitor the pressure of this system. When the pressure is lower than the solenoid, the check engine light will come on and you’ll get P2646. Here’s … See moreIn this video, young mechanic Aiman discusses P2646, which is an OBD-II generic code for the engine control module (ECM) detecting the 'A' rocker arm actuato...By Gary Piotrowski Updated on July 18, 2023. The P2646 code is an OBD-II generic code for the engine control module (ECM) when it detects the ‘A’ rocker arm actuator control circuit for bank 1 is …

Learn how to fix ERROR CODE P2646 on your HONDA with the 2.4L engine.If this video is helpful, give it a "thumbs up" and consider subscribing to our channel....VTEC SOLENOID REPLACEMENT AND /OR JUST SCREEN REPLACEMENT. HONDA 2.4L ENGINE 4 CYLINDERS. SAME ON CRV, ELEMENT ACCORD CIVIC. CHECK ENGINE LIGHT. HESITATE AND...2003 EX AWD 207k miles. I washed my engine bay, then it kicked a P2647 code. I cleaned the terminals and applied dielectric grease, didn't help. So I ordered a new actuator, gaskets, screens. Replaced everything, dumped the oil and replaced the oil and filter, 5w-20 oil so I know it's the right viscosity. Re-cleaned the electrical connectors ...P2646 for the A rocker arm actuator not performing. Was not in limp mode, just sluggish. Went and got the oil changed, reset, went away for an hour and came back. A day later I pick up a brand new OEM valve spool assembly from a Honda dealership. Had it put on by someone I trust at a local service center. Code was cleared, all was well.Mechanic for Honda: Tech413. This code is usually caused by a sticking VTEC oil pressure switch or low oil level. Check the oil level first if that is ok. Check the pressure switch or replace the switch. If you have access to a multimeter, I can walk you through some simple steps to check the switch.

Darcars bowie md.

PowerPoint's many features can be overwhelming to new presenters. As you work with the program, it can be useful to create a list of the PowerPoint elements you use most often. Con...2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. Save Share. Like. ... Took it to run computer codes and p2646 and p2647 came up. I replaced the oil sensor switch for the first code. And then replaced the entire selonoid for the second code. I drove it …Honda Element 2003-2011; Honda Fit 2007-2011; Honda Civic 2012-2013; ... There’s a separate code (P2646) for the inverse (NO OIL PRESSURE on the rocker arm side of the VTEC valve AND the VTEC is commanded ON. ... Driving w/RPM over 2500 RPM = VTEC ON = switch ON = pressure low (sets P2646 Honda DTC) Honda V6 engines with bank …VTEC problem: Code P2646 (also 2647, 2648, 2649) Note the distinction between VTC and VTEC, as Lizzurd explains in this post. Yours is the first post I can recall seeing with P0011, a VTC-specific code. Still, the …15,321 Posts. #41 · Mar 11, 2011. Yes, VTEC is all about oil pressure at the head. I don't know whether the oil pressure switch on the block is relevant to that code. "Switch assy., valve timing oil pressure," Honda p/n 37250-PNE-G01, lists for $58 retail. Before replacing anything, I'd change the engine oil and filter, clean the VTEC screen ...

2788 posts · Joined 2017. #1 · Jun 24, 2019. After one year and 15K miles, I got my first (hopefully not major) issue with my 2003 EX Auto (now at 126K mile). Yes, the dreaded P2646 Code! : - (. My CEL came on and the engine will not rev past 3000 RPM; but seems to run smoothly otherwise. I got it checked at Auto Zone (don't have my own ...15,321 Posts. #41 · Mar 11, 2011. Yes, VTEC is all about oil pressure at the head. I don't know whether the oil pressure switch on the block is relevant to that code. "Switch assy., valve timing oil pressure," Honda p/n 37250-PNE-G01, lists for $58 retail. Before replacing anything, I'd change the engine oil and filter, clean the VTEC screen ...This video is about Honda P2646 P2647 engine check code fix I-Vtec 2.4 Odyessy, Accord, Element, CRV. I go through what could be the cause of the fault code ...P0118 *Engine Coolant Temperature (ECT) sensor circuit high input. P0119 Engine coolant temperature circuit intermittent. P0120 Throttle position sensor/switch A circuit malfunction. P0121 Throttle position …Wiring Issue – P2646 indicates that the voltage from the VTEC/Rocker oil pressure switch is low. This means that a wiring issue very well could be at fault. Take a look at the wiring harness where it plugs into this switch. Make sure that it is undamaged and securely plugged in. Trace the wiring back and see if it is damaged anywhere.Dreaded VTEC P2646 code - Tried everything. Well, my 2005 Element (212K miles) became infected with the P2646 VTEC malfunction code last week. CEL comes on and goes into limp mode (won't go over 2800 RPM). Turn the ignition off and back on, and it goes out of limp mode but usually comes back on soon.A subreddit for Honda Element enthusiasts! The Honda Element was a compact crossover SUV based on a modified CR-V platform, manufactured in East Liberty, Ohio and offered in front-wheel and all-wheel drive formats in the United States and Canada from model years 2003 through 2011.Here are some of the most common Honda P2646 causes. Wrong motor oil viscosity; Clogged oil passages; Sludge clogs rocker arm actuator; Clogged oil control screener; Malfunctioning VTEC oil pressure switch; ECM malfunction; How Serious is the P2646 Code? Severe – You don’t want to continue driving with the P2646 Honda trouble code. Once you ...

I'm new to the forum and appreciate everyone's experience. My '03 Element, 115K, has had a shudder at low-load 1600 rpm occasionally and now the check engine light has come on. Local shop computer says P2646. (The Honda dealer replaced the VTEC unit a couple of years ago when I had trouble accelerating, a different symptom than the current one).

Welcome, Farabundo. Search term "P2646" returns this relevant thread: VTEC problem: Code P2646 (also 2647, 2648, 2649)Jan 21, 2021 · 2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles ... VTEC problem: Code P2646 (also 2647, 2648 ... Hello everyone! Bought 2003 element. Check engine was on and code was P2646. The car didn’t want to go over 3500 rev. I replaced screens on solenoids and one extra under the lid. Problem solved. Traveled 800 miles in 2 days and on highway code popped up again. Cleared it with OBDII scanner and...Here are some of the most common Honda P2646 causes. Wrong motor oil viscosity; Clogged oil passages; Sludge clogs rocker arm actuator; Clogged oil control screener; Malfunctioning VTEC oil pressure switch; ECM malfunction; How Serious is the P2646 Code? Severe – You don’t want to continue driving with the P2646 Honda trouble code. Once you ...Based on your description, it sounds like your Element is in "limp" mode. My best guess is it will show either a P2646 or P2647 code; which means a problem with the VTEC system. But it may have another code too. Let us know know the code and then we can help you diagnose the problem. Hope this helps.Constant P2646 and P2647 VTEC issues. Replaced the spool valve / vtec valve with a genuine honda part. Drove fine for 2 weeks and codes are back. I had a oil change with synthetic 5w-20 and checked for clogged screen behind the power steering pump.Here are some of the tools that jimthecarguy useshttps://www.amazon.com/shop/jimthecarguyIn This Video I Will Show You How To Replace The Solenoid Assembly O...About a year ago my 04 E (180,000miles)started bottoming about at 60mph. The engine light came on and the code was P2646, rocker arm stuck in off position. After some research I replaced the vvt solenoid and performed an oil change. The engine light went off and all was good. Fast forward to now, almost a year the the day and the same …

Free printable la times crosswords.

Size zone giantess.

What causes the P2646 code? The ECM detects a problem in the rocker arm system for bank 1. The oil passages are clogged or the oil pressure is not up to specifications. The rocker arm actuator is clogged with sludge or is sticking intermittently. The engine may have excessive sludge binding the rockers from moving or the oil is too thick.Jun 4, 2021 · Other Notes About P2646. On July 16, 2013, Honda released a factory service bulletin, SB- 10052884-2696, for the following models: 2003-2012 Honda Accord L4; 2002-2005 Honda Civic Si; 2002-2009 Honda CR-V; 2011 Honda CR-Z; 2003-2011 Honda Element; 2007-2011 Honda Fit; The bulletin addressed concerns about the code P2646 appearing on the ... In the world of web design, every element plays a crucial role in creating a visually appealing and user-friendly website. One such element that often gets overlooked but is of par...Aug 27, 2012 · Then the mechanic gets ill,stroke, he is now back at his shop, Element is put back toghther but mechanic now says engine is reving and he is getting following codes, PO507,P2279,P2646. He cant figure it out and really is not healthy enough to be working. The mechanic is not the same guy I took the car to as the stroke took its toll. P2646 Honda Accord ,VTC strainer. This Honda would not run at higher speeds. It would start bucking and stall out if held to the floor. After a bit of cleani... P2646 Honda Accord ,VTC strainer ...May 10, 2021 · I just bought a 2006 Honda Element EX-P AWD with 158k miles. Absolutely love the car but am dealing with the much elusive p2646 code. Already changed the oil, oil filter, oil sensor, and the entire VTEC solenoid (with the correct part straight from Honda), but the car keeps bucking at 3000 rpm. Jan 30, 2020 · P2646 Rocker Arm Oil Pressure Switch Circuit A Low VoltageCustomer brought in the car and thought the transmission was slipping and free reving. I diagnosed ... However, there are other faults that can cause P2646, including low VTEC oil pressure (from dirty oil clogging filter screens in the engine, low oil, wrong oil, bad oil pump, worn engine etc), loose wire connectors/broken wiring, and computer errors. The P0339 and P0442 should be unrelated to the VTEC system and P2646.Well, my 2005 Element (212K miles) became infected with the P2646 VTEC malfunction code last week. CEL comes on and goes into limp mode (won't go over 2800 RPM). Turn the ignition off and back on, and it goes out of limp mode but usually comes back on soon. My 2003 CR-V (199K) has had the same issue for months - it shows as P1259 (VTEC malfunction) ….

I'm new to the forum and appreciate everyone's experience. My '03 Element, 115K, has had a shudder at low-load 1600 rpm occasionally and now the check engine light has come on. Local shop computer says P2646. (The Honda dealer replaced the VTEC unit a couple of years ago when I had trouble accelerating, a different symptom than the current one).lostwater said: Hi! I am looking to buy a Honda Element and reading here there are many many posts about the P2646 code with the oil pressure switch and going into limp mode. I've seen these for the 2003-2006 generation Element, but haven't yet seen a post mentioning the problem in later Elements (2007 on) when the motor changed (10 …2003 honda element: honda p2646 a rocker arm actuator system performance or stuck off bank 1. Tech413 said this code may be caused by a sticking VTEC oil pressure switch. I have access to a multimeter …Okay so to add to this set up death to a Honda issue. Becuase I too have been suffering this plaque. Long and short: First time this happened a local oil change place put 10w40 in my Element. Within a mile of the shop it blew P2646 code. Took it to my mechanic, he did a oil test and thats how I know what was put in the car.What causes the P2646 code? The ECM detects a problem in the rocker arm system for bank 1. The oil passages are clogged or the oil pressure is not up to specifications. The rocker arm actuator is clogged with sludge or is sticking intermittently. The engine may have excessive sludge binding the rockers from moving or the oil is too thick.Jan 4, 2009 · I do not own a service manual. My Malfunction Indicator Lamp (MIL) came on yesterday. I took the Element to AutoZone for them to put their scanner on it and was told "P2646: Rocker arm actuator A- Bank 1 Perf. or Stuck off." I also used canobd2.com and for Honda they list P2646 as: "A Rocker Arm Actuator System Performance or Stuck Off Bank 1 ... 2003 Honda Element has P2646 code for VTEC system and is cutting out at 2600rpm. Checked oil and screens, the spool valve assembly replaced 1yr ago but stil...Dreaded VTEC P2646 code - Tried everything. Well, my 2005 Element (212K miles) became infected with the P2646 VTEC malfunction code last week. CEL comes on and goes into limp mode (won't go over 2800 RPM). Turn the ignition off and back on, and it goes out of limp mode but usually comes back on soon.Honda vehicles commonly display the diagnostic trouble code P2646. It indicates that the oil pressure switch for the rocker’s arm is malfunctioning. Often referred to as the VTEC (Variable Valve Timing & Lift Electronic Control) switch, the Rocker arm oil pressure switch verifies oil pressure in the VVT mechanism. Code p2646 honda element, P2646 Honda Code - Rocker Arm Oil Pressure Switch Circuit Low Voltage. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. Search for P2646 Honda Questions and Answers., p2646 Engine code returning after obvious repairs. Have a 2003 honda element with 116,000 miles. It's in good shape except for this recurring issue. I have had my VTEC solenoid replaced twice since I bought this vehicle 1 month ago. I've had the oil flushed once between these two replacements., In technical terms, P2646 is an OBD-II generic code, which stands for “A Rocker Arm Actuator System Performance or Stuck Off Bank 1.”. Long story short: your engine’s brain—the Engine Control Module (ECM) or Powertrain Control Module (PCM)—isn’t happy with the rocker arm oil pressure switch. This switch is integral to the Variable ..., Wiring Issue – P2646 indicates that the voltage from the VTEC/Rocker oil pressure switch is low. This means that a wiring issue very well could be at fault. Take a look at the wiring harness where it plugs into this switch. Make sure that it is undamaged and securely plugged in. Trace the wiring back and see if it is damaged anywhere., Read here for P2646: VTEC problem: Code P2646 (also 2647, 2648, 2649) | Page 26 | Honda Element Owners Club P2646 will cause your engine to go into limp mode at about 3000 rpm which is why you're experiencing the "sputtering". It is not in vain, but do not just simply throw parts at it. P0420 is a catalytic converter efficiency code; it may set ..., P2646, which is an OBD-II generic code for the engine control module (E... This is basically Part 2 in a conquest to solve P2646 for my brother's Honda Accord. P2646, which is an OBD-II generic ..., Oct 16, 2005 · VTEC solenoid valve located on rear right of cylinder head next to exhaust manifold and above oil filter. Disconnect VTEC solenoid valve and VTEC oil pressure switch connectors. Remove the three 10 mm hex head bolts from above. Remove the VTEC solenoid valve as a unit. , Code for rocker arm actuator p2646 think and a. 08 Honda crv. Code for rocker arm actuator p2646 think and a 83-1. Replaced vtec varaible speed oil solenoid system but it came back … read more. Anthony P., This is basically Part 2 in a conquest to solve P2646 for my brother's Honda Accord. P2646, which is an OBD-II generic code for the engine control module (ECM) detecting the 'A' rocker arm actuator control circuit for bank 1 has a …, In today’s digital age, having a strong online presence is crucial for businesses and individuals alike. One of the key elements in establishing an effective online presence is cre..., The code came up P2646 (rocker arm off or stuck). I took the info and drove about 20 more total miles and then it happened once again. I looked at the some info online and decided it might be VTEC oil pressure switch related as the code diagnostics said. SO I picked up one up and installed it., Causes of code P2646 on a Honda CR-V. There are several potential causes for code P2646 on a Honda CR-V: 1. Defective VVT oil pressure switch: The switch may be faulty or malfunctioning, causing incorrect signals to be sent to the engine control module (ECM)., I have a 07 Honda Element AWD. my problem is that every couple of weeks to couple of months I get a P0420 and then shortly afterwords I get a P2646 rocker arm actuator oil control valve stuck on/off code. I didn't think the two were related at first. I put some cat-a-clean in it and that fixed the p0420 for a while. I'm not doing that again., (From what I've learned on this site, most times it's hard to tell them apart!) Most everyone here says that the aftermarket ones are pure junk. But the genuine Honda's don't exactly have a clean record either! : - (I'm asking because I have had intermittent P2646 codes (twice actually), but for the last 2 1/2 months it has been fine., What does this mean? Code Tech Notes. The most common problem that can set the P2652 code is the engine oil. Before replacing any parts change the engine …, Jan 30, 2020 · P2646 Rocker Arm Oil Pressure Switch Circuit A Low VoltageCustomer brought in the car and thought the transmission was slipping and free reving. I diagnosed ... , My P2646 code was thrown because the oil pickup at the bottom of the engine was being choked by the indented oil pan, resulting in the oil not circulating as well as it should. ... 2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. Save Share. Like. T. …, After buying a new code reader from AutoZone to replace an old failed one, I found I had the now legendary P2646 code. This is the first thing that has gone wrong with it since I bought it used 4 years ago. ... 2003 Honda Element EX AT 2WD 355k+ miles, 2003 Honda CRV EX AT AWD 310k+ miles, 2018 Ford Transit LR XLT RWD 40k+ miles. …, P2646 Honda P2646 Honda — Diagnose and fix. Shops are reporting a high incidence of P2646 Honda trouble codes on Honda CR-V, Honda Element and Accord models with the 2.4L engine. The P2646 Honda code definition is: P2646: VTEC Oil Pressure Switch Circuit Low Voltage. Honda has issued a service bulletin #13-021 to address the problem on the ..., DTC P2646 is a generic OBD-II powertrain code. It’s set by your Powertrain Control Module (PCM) or Engine Control Module (ECM) when it detects the ‘A’ rocker arm actuator control circuit for Bank 1 has a performance problem or is stuck off. Some vehicles, such as the Honda Accord, Honda Element, or Acura TL, come with Variable Valve ..., 08 Honda Element lx with 187600 miles on it. Has p2646 code. Car goes into limp mode and won't go above 3000 rpms but problem stops when the engine is shut off and on while driving (until it comes back on of course) I've replaced the Vtec solenoid and the sensor on it. And I have also cleaned out one of the screens for the oil., Good morning, Quartz readers! Good morning, Quartz readers! France celebrates Bastille Day. This year’s military parade, which marks the 100th anniversary of America’s entry into W..., P2646 code pops up with no other codes. Because cleaning the Vtec solenoid screen is easy and I free fix, I did that first. Code stayed on but problem went away for one day. I decided to order the parts and fix it right. I purchased directly from my local Honda dealer (almost $200 for the solenoid alone)., Code for rocker arm actuator p2646 think and a. 08 Honda crv. Code for rocker arm actuator p2646 think and a 83-1. Replaced vtec varaible speed oil solenoid system but it came back … read more. Anthony P., Title Price Buy; Top Top: Castrol Edge 5W-40 A3/B4 Advanced Full Synthetic Motor Oil, 5 Quart Jug: Buy Now: Top Top: Dodge Ram 6.7L Cummins Diesel Fuel Filter Water Separator And Oil Filter Set for Dodge Ram 2013-2018 2500 3500 4500 5500 6.7L Turbo Diesel Engines 68197867AA 68157291AA 5083285AA, Jul 10, 2015 · Okay so to add to this set up death to a Honda issue. Becuase I too have been suffering this plaque. Long and short: First time this happened a local oil change place put 10w40 in my Element. Within a mile of the shop it blew P2646 code. Took it to my mechanic, he did a oil test and thats how I know what was put in the car. , G101 is the one on top right of the intake. Spliced a new wire and voila, no more voltage on pin 1. Back together, clear codes and test drive, P2646 the moment it hits 3k rpm. I didn't have the oil pressure tester to go through the procedure for P2646 so we ordered one and waited., Took the car to auto zone, retrieved the codes: -U0107 TAC MODULE COMMUNICATION (indicates the PCM did not receive a message from the throttle actuator control module within a predetermined period of time) -P2646 VTEC OIL PRESSURE SWITCH CIRCUIT MALFUNCTION., If your Honda Accord is overheating, the cause could be any of the vital elements of the cooling system. Those elements are the heat exchanger, fan, water pump, thermostat and cool..., If the oil is dirty or the level is low, the check engine light may appear for code P2646. Drain as much oil as possible, replace the solenoid, and keep up with oil changes as much as possible. 2. Ignition Switch Problems. Flashing green key light on 2003 to 2011 Honda Pilot., If your Honda Accord is overheating, the cause could be any of the vital elements of the cooling system. Those elements are the heat exchanger, fan, water pump, thermostat and cool..., p2646 p2647 HELP ME. So my 2007 Honda Element has about 190k on it. I just bought it about 15k ago. The Check engine light came on and through the codes. I have read a bunch about this and we have since replaced the Varialbe timing solenoid, oil sensor, cleaned the filters, did an oil change and replaced all filters, cleaned the VTC …, Jul 10, 2015 · Okay so to add to this set up death to a Honda issue. Becuase I too have been suffering this plaque. Long and short: First time this happened a local oil change place put 10w40 in my Element. Within a mile of the shop it blew P2646 code. Took it to my mechanic, he did a oil test and thats how I know what was put in the car.