97 lesabre hard start
#1
97 lesabre hard start
intermittant problem, start car runs fine drive awhile and kill it come back later 15 min.-1 hour car turns over and starts runs very rough and dies this goes on for sometimes 10 tries and then finally starts and revs up to around 1500 rpm and goes down to normal idle and runs fine until killed again. doesn't happen every time. koeo fuel pressure 24 -koer fuel pressure 34. no mil codes. any ideas what could be going on ? also sometimes stumbles going up some hills ,but not all hills and not always same hills. any help would be appreciated
#7
Senior Member
True Car Nut
sometimes ign parts when going out start to do this too. since you already did the plugs and wires i would suspect coils. try this test but you may not get anything they tend to get worse as they get hot
https://www.gmforum.com/showthread.p...ight=coil+test
https://www.gmforum.com/showthread.p...ight=coil+test
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