Advertisement

1997 Buick Lesabre does not run when it get hot

200,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
RCCOLA411
  • MEMBER
  • 1 POST
it seems to not be able to get gas to injectors once it get hot once it cools off it starts again,i've changed the fuel filter and all of the vacuum line are intact,is there a module connected to the fuel system?
Jun 6, 2010 at 6:41 PM
Avatar
RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Next time it doesn't want to start, Hor or Cold do below to find out what's really causing it

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs,coil's resistances,distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply dis
Jun 6, 2010 at 6:50 PM
Advertisement
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle

Advertisement