Question about 1997 Dodge Caravan
1997 Dodge Grand Caravan. When I give gas during acceleration sometimes I hear a pop and some hesitation. Then around the 40 and 50 mpg it hesitates.
A pop and hesitation is likely a backfire. The hesitation around 40 and 50 would be in keeping with that theory. There are several reasons you might be getting backfires and hesitation. If your ECM is adjusting the engine to run too rich this could happen. Misfiring might be occuring. Timing could be out. But one of the most likely is a restricted exhaust, likely due to a plugged, damaged or worn out catalytic converter. In some cases the converter may be bad enough to be giving you some performance problems, but not yet quite bad enough to signal an error. A vacuum test can help confirm whether this is exhaust related.
Posted on Feb 07, 2009
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