Car is running lean, 3 codes
04-26-2008, 05:11 AM
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Car is running lean, 3 codes I'm popping 3 codes, running lean in bank 1 and 2 and idle rpm high, car seems to struggle to idle right and sometimes leaving a stop it about stalls than bam instant power with no issues..anyone know what could be causing this issue? I have to change my battery real soon as I'm getting the infamous needle movement and trip meter reset at startup but that I dont think is the issue. Thanks for any advice!
04-26-2008, 09:17 AM
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i had the lean bank 1 and 2 codes on my car turns out it was a crack in the hose from the pvc valve...after i replaced that it went away. and hasnt been on since..i would check that first...make sure your pvc still rattles when you shake it too..
04-26-2008, 10:14 AM
#3
That all definitely sounds like a vacuum leak. Take a can of carb cleaner and spray it around all the vacuum lines going into the intake manifold, PCV, brake booster, fuel pressure regulator, anywhere there is vacuum. Listen for a change in the idle. Any air entering the engine after the MAF sensor will cause a lean condition.
glad to help! it will take a few days for the code to clear i think. i used fuel line to replace that hose... 