Low RPM hesitation / stutter after car warms up
03-16-2009, 07:11 PM
#1
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Low RPM hesitation / stutter after car warms up Like the title says, I have a hesitation under acceleration in the 1500-2500 RPM range. It only starts up a minute or so after the car reaches normal operating temperature. I've tried cleaning the MAF, replacing the fuel filter, and replacing the O2 sensors. I don't have cats, so they're not clogged. Any ideas on what would cause this only after the car warms up?
03-16-2009, 09:15 PM
#2
If it only happens when you warm up, I'd suggest checking the coolant temperature sensor: http://www.wellsmfgcorp.com/pdf/Counterpoint2_2.pdf or the Idle Air Temperature sensor.
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