Need help with my DD, 04 Impala 3.4L
10-07-2008, 12:26 PM
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Need help with my DD, 04 Impala 3.4L My impys' got 95K on the clock, I just changed the plugs (tr55's) and wires (delco), fuel filter/ air filter.
The problem: When the engine is at less than operating temp (210 i guess),
there is a stumble at part throttle. Its pretty slight stumble but enough to cause it to lightly jerk when taking off from a stop or cruising at low RPMs (40mph'ish). If I give it a lil more throttle it clears out.
It also does this at full operating temp but it is very slight, almost un-noticable.
Any Ideas? MAF has also been cleaned.
Thanks for any help, Josh.
The problem: When the engine is at less than operating temp (210 i guess),
there is a stumble at part throttle. Its pretty slight stumble but enough to cause it to lightly jerk when taking off from a stop or cruising at low RPMs (40mph'ish). If I give it a lil more throttle it clears out.
It also does this at full operating temp but it is very slight, almost un-noticable.
Any Ideas? MAF has also been cleaned.
Thanks for any help, Josh.
