When you cold start it and start driving it barely drives and shakes like crazy..I thought its the spark plugs but I don't know . Any ideas?

Asked by Oct 15, 2012 at 05:14 PM about the 2003 GMC Safari 3 Dr SLE Passenger Van Extended

Question type: Maintenance & Repair

5 Answers

32,335

Check engine light on? Does it flash during this? A tune up may fix the issue no guarantee though.

Like what kind of tune up..and yes check engine light is on but it doesn't flash...do you think it will help changing spark plugs??

32,335

Plugs, wires or boots if its coil over plug design, air filter, fuel filter, and pcv if applicapable. How many miles/kilometers do you have on the vehicle?

157 k

32,335

Manufacturers recommend doing a tune-up every 48,000 K so if you haven't done one you are past due for your second. Has it been tuned up?

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