Questions & Answers for: Pontiac hard to start

hard to start when hot. Have changed out fuel filter, fuel regulator, spark plugs, and it is better but still hard to start when hot. It was hard to start when cold but has improved with these changes

egg smell from exhaust when warm/hot. My mechanic diagnosed a failed/faulty fuel pressure regulator, replaced it, and now the problems (warm hard start, smell) are gone. I have a '92 GT with L4 engine

Hard to start in the cold The car has 138,000 miles on it, but the engine is generally strong. This problem just started. It starts easily when it is warm. Just hard to start when it is cold. Pulled ...

...Pontiac Sunfire 4 cyl, hard start, runs great after starting Hard start after sitting overnight check the hose for fuel pressure regulato if is fuel on the hose replace the fuel pressure

hard When I start to take off it shifts hard.It does it when I stop and take off,while the air is on and when the car runs awhile.During all of this there is some hesitation and it stops and I have to

...Hard starting when cold. Car sits in garage most of the time. Trying to start engine takes about three times before it gets going. With a couple of coughs. Hot starts on first try. Let it sit for a ...

...hard to start..will crank for a while before its starts Start with new spark plugs, wires and distributor cap. If it wasn't for the missing at idle comment, the hard starting is usually caused by a ...

...take off kinda chugged. know having a hard time starting have to keep foot in gas to get it to start. and when started sounds like running really hard Check fuel pressure make sure its within

...hard cold start Hard to start when the motor is cool. I have to hold down the gas to start it. Starts fine when the motor is warm. Could be a faulty idle air control valve. The computer controls idle ...

...Hard to Start or No Start Scan Data for Vacuum Leak 048 Engine Hard to Start or No Start Scan Data for Starting Problems 047 Engine Hard to Start or No Start Scan Data for Ignition the coolant temp ...