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?

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? 5 Answers

My 1997 gmc safari runs rough and chugs when first started, once it warms up it runs fine. What is the problem? 2 Answers

My 1997 gmc safari when cold, runs very choppy and rough. Once it warms up, after a few miles, it runs great. What could be the problem?

1998 gmc Safari 160,000 when I turn the with out trying to start the car it starts the car and it continue to try to start the car even when the car is on I replaced the ignition switch. 1 Answer

I replaced the wires not the cylinder to the ignition n it still does the same even when I shift it on drive you can still hear it cranking

97 gmc safari wont start when you turn key add starter fluid n it runs like a champ whats wrong n what controls the injector pulse 2 Answers

Injector pulse is weak n won't start when you turn key add starter fluid in throttle body n it starts n runs good what controls the pulse n why do I need put starter fluid for it to start

New thermostat, erratic temperature fluctuations, no heat in the cab 3 Answers

1999 GMC Safari 120k miles New Thermostat, battery and starter (yesterday)... Recent Oil change, Normal Coolant Level, Less than 2 year old water pump and coolant system flush. Changed the Thermosta...