1994 Buick Park Avenue diagnois

Tiny
ZO ZILLA
  • MEMBER
  • 1994 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • AUTOMATIC
My car starts and run fine but after I make ah trip or 2 it stops firing but after a while it crank right up what could this be?
Monday, June 29th, 2015 AT 4:32 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,752 POSTS
It is common for some sensors to fail by becoming heat-sensitive, then they work again after they cool down for an hour. This can be worse when you stop a hot engine, then try to restart it a few minutes later, as in after filling with gas. The heat from the engine normally gets blown away from some sensors while you're driving, but when stopped, that heat migrates to the sensors and causes them to fail.

The place to start is by having the diagnostic fault codes read and recorded. The people at many auto parts stores will do that for you for free.
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Monday, June 29th, 2015 AT 6:20 PM

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