Questions & Answers for: Pontiac hard to start when hot

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 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, cranked fine, fired occasionally & intermittantly, finally caught and ran after several extended cranking attempts. Drove to next destination no problem. Next start attempt was no ...

hard to start when cold once the engine is started it will start fine this only happens after it sits overnite The most likely cause is the fuel pump unit. The fuel pmp has a check valve that is ...

hard to start when it is hot. but runs fine when it starts up. the electrical system can age-solenoids, modules etc wear--they get hot and cause problems--hav car scanned for codes-dont rely on a chec

...timing belt and chain replaced...car runs terrible now..starts slow..like a dead battery..when hot hardly turns over..mechanic says timing marks are right on..any ideas? cam timing marks might be ...

start. I've had fuel pump replaced a year ago, recent tune up and crankshaft position sensor replaced. sam problem. I'm chasing a ghost here and the car will strand me for an hour or so before

...hard 2 start? Check out this both links shown below.Click the link and follow the troubleshooting to confirm,the problem.The car hard to start is basically the fuel pump issue:-----Car running ...

starts hard when hot sounds like bad fuel injectors high resistance when engine is heat soaked If it is hard to turn over , the starter is worn out. a better explanation would help