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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!

2010 Chevy 3500 6.0 gas Rich on both banks

  • Grohol0311
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2 years 5 months ago #61503 by Grohol0311
2010 Chevy 3500 6.0 gas Rich on both banks was created by Grohol0311
Hello I’m struggling hard with this issue I’m pegged out of LTFT

No vaccum leak
PCV is good
EVAP purge solenoid is closed at start up and opens when it warms up MAF is good as well. Does anyone have any advice or test I can run

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2 years 5 months ago #61504 by Cheryl
Replied by Cheryl on topic 2010 Chevy 3500 6.0 gas Rich on both banks
Does it run bad? What does the maf read in grams per second at idle? Any codes?

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  • juergen.scholl
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2 years 5 months ago #61509 by juergen.scholl
Replied by juergen.scholl on topic 2010 Chevy 3500 6.0 gas Rich on both banks
What's the fuel pressure?
An expert is someone who knows each time more on each time less, until he finally knows absolutely everything about absolutely nothing.

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  • Tyler
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2 years 5 months ago #61524 by Tyler
Replied by Tyler on topic 2010 Chevy 3500 6.0 gas Rich on both banks
What's the 10th letter of the VIN?

If it's a Flex Fuel truck, what's the calculated ethanol percentage? This PI might help:

static.nhtsa.gov/odi/tsbs/2014/MC-10112043-9999.pdf

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