2000 Pontiac Sunfire 2.4L surges while accelerating, mainly while maintaining speed.

Asked by May 29, 2012 at 03:48 PM about the 2000 Pontiac Sunfire GT Coupe

Question type: Maintenance & Repair

I have replaced the TPS, Map sensor, fuel filter, air filter, plugs, coil housing and coils, cleaned throttle
body, and I have also checked for codes.  Nothing shows up as far as codes are concerned.  Does any one
have any suggestions?

2 Answers

275,855

Clean the MAF?

1 of 1 people found this helpful.

Still has the same issue, and I have noticed that it occurs when it is at operating temperture between 30 mph and 50 mph.

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