Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
2015 Chevy traverse 3.6 rough idle, start, stall.
- ChoshRs4
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1 week 16 hours ago #92902
by ChoshRs4
2015 Chevy traverse 3.6 rough idle, start, stall. was created by ChoshRs4
Good evening everyone. I'm new to diagnostics. Im having issues with a vehicle that I was asked to look at. 2015 Chevrolet Traverse 3.6 with 155k miles. Vehicle has 3 codes that always set after clearing codes. When cranking first code to set is P0068, after that p0101 follows and p0106.
The first time I scanned the vehicle I used a generic obd2 reader but did not saved the codes I can remember seeing over advanced timing codes but after clearing them the only ones that came back were the 3 that I mentioned previously. When I scanned with a better scanner I was able to see that there were permanent codes for timing over advanced. P0011 p0014 p0021 p0024. Not exactly sure where to start.
The first time I scanned the vehicle I used a generic obd2 reader but did not saved the codes I can remember seeing over advanced timing codes but after clearing them the only ones that came back were the 3 that I mentioned previously. When I scanned with a better scanner I was able to see that there were permanent codes for timing over advanced. P0011 p0014 p0021 p0024. Not exactly sure where to start.
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- Noah
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1 week 7 hours ago #92903
by Noah
Replied by Noah on topic 2015 Chevy traverse 3.6 rough idle, start, stall.
With all those cam timing codes, it most likely is going to need timing chains and phasers.
I would first check the oil, probably change it. I would also pull the VVT solenoids and check for debris on the screens and clean them. And if the codes come back after that, then there's really nothing to do but but the timing set.
I would first check the oil, probably change it. I would also pull the VVT solenoids and check for debris on the screens and clean them. And if the codes come back after that, then there's really nothing to do but but the timing set.
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- ChoshRs4
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6 days 21 hours ago #92904
by ChoshRs4
Replied by ChoshRs4 on topic 2015 Chevy traverse 3.6 rough idle, start, stall.
Ive attached 3 images of the vvt solenoids.I was able to scope the camshafts and crankshaft. One at a time to try and see if this would aslo give me an answer with out tearing apart the front of the engine. But I dont have a known good one to compare it to. First picture of the solenoids seems to be the only one with any debris. Im cleaning them, doing an oil change. Will try again like you mentioned.
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- Noah
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6 days 8 hours ago #92905
by Noah
Replied by Noah on topic 2015 Chevy traverse 3.6 rough idle, start, stall.
A Google search should come up with a known good waveform for that engine, it's very common.
I'm not saying don't scope.it, by all means, scope everything! But it's just going to show you what the PCM all ready knows: it's out of time. I hope cleaning the VVT solenoids and changing the oil helps. Let us know how it goes.
I'm not saying don't scope.it, by all means, scope everything! But it's just going to show you what the PCM all ready knows: it's out of time. I hope cleaning the VVT solenoids and changing the oil helps. Let us know how it goes.
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- Chad
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6 days 6 hours ago #92906
by Chad
"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer."
I have learned more by being wrong, than I have by being right.
Replied by Chad on topic 2015 Chevy traverse 3.6 rough idle, start, stall.
"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer."
I have learned more by being wrong, than I have by being right.
The following user(s) said Thank You: Noah
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