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what can cause a system to run too rich on both cylinder banks?

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Old 02-23-2003, 04:34 PM
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what can cause a system to run too rich on both cylinder banks?
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Old 02-24-2003, 05:28 AM
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Plugged/pinched fuel return line or bad programming
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Old 02-24-2003, 03:03 PM
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Default A bad MAF, coolant sensor, TPS, O2 sensors, FPR, leaky injectors, etc....
just about everything....
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Old 02-24-2003, 04:20 PM
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Default A maf starting to die usually makes the car run lean
a dead maf will make the car run rich.
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Old 02-24-2003, 05:13 PM
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yeah, or a dirty maf too (whether wire or thin film)
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Old 02-25-2003, 05:27 AM
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Default Dang you too?? I still can't figure my problem out! You have a V6 30V right?
If you find out let me know...I'm still playing diagnosis
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Old 02-25-2003, 07:01 PM
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No he has an APR Stage 3 S4. But yes a 30v 2.7l V6 :-D
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