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Thread: Running Lean
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10-03-2005, 05:49 AM #1zpoliceGuest
Running Lean
My 98 Camaro keeps setting an 0171 and an 0174 code even after changing out the MAF. Fuel pressure is good, and I have yet to find a vacuum leek. Does anyone have any idea what else it could be?
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10-03-2005, 06:25 AM #2
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Originally Posted by zpolice
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10-03-2005, 02:38 PM #3zpoliceGuest
I cleared the check engine lights with my computer, but like an idiot, I did not disconnect the battery when I changed the MAF. I do not know if that will make a difference or not, but I just disconnected it for the night, and I will see if the light comes back on.
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10-03-2005, 02:54 PM #4
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Originally Posted by zpolice
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10-03-2005, 02:54 PM #5
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Don't know if resetting the PCM will make a difference or not either, but in lieu of disconnecting the battery you can reset it by:
Turn key on, don't start car
Pull PCM BATT and PCM IGN fuses in eng compartment
Wait a few minutes
Turn igniton off
Replace fuses
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10-03-2005, 03:00 PM #6zpoliceGuest
Do any of you guys run K&Ns.? I don't oil mine much at all, but I have heard that that can screw up the MAF.
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10-03-2005, 03:29 PM #7
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Originally Posted by zpolice
I clean my sensors in my MAF every so often with electrical cleaner from Radio Shack...some use brake cleaner......
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10-03-2005, 03:32 PM #8
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I've used one on my car since it was new without any problems, cleaned it several times. I was going to suggest maybe cleaning the MAF as something easy to check, but you said you changed it out.
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10-03-2005, 10:00 PM #9
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Light Pewter Metallic- 2000 Camaro SS M6
Yep, keep those MAF sensors clean. It's easy to do with electrical cleaner. I use a K&N also, and try to be as light as I can on the oil and still get all the fibers oiled.
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