1988 Chevy Cavalier fuel problem

50,000 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
SEPTEMBER2157
  • MEMBER
  • 4 POSTS
when i start the car it runs, give it gas it dies. I have changed the fuel pump, modular, idle position sentor, computer, map sensor, crank sensor, coolant temp. sensor and oxygen sensor and still have the same problem.
Nov 9, 2008 at 4:16 AM
Advertisement
Avatar
DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
Check for weak coil. Pull wire hold to block should have blue/white spark.
Nov 9, 2008 at 4:38 AM
Avatar
SEPTEMBER2157
  • MEMBER
  • 4 POSTS
[quote:9a38d83209="september2157"]Engine Performance problem
1988 Chevy Cavalier 6 cyl Front Wheel Drive Automatic 50000 miles

when i start the car it runs, give it gas it dies. I have changed the fuel pump, modular, idle position sentor, computer, map sensor, crank sensor, coolant temp. sensor and oxygen sensor and still have the same problem.[/quote:9a38d83209] Checked coil and it was ok too.
Nov 9, 2008 at 6:13 AM
Avatar
DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
Injectors replaced? cleaned? Take a timming light shine on inj pattern see if it is 360 deg and no drips. If not then that will cause what GM refers to as tip in hesistation.
Nov 10, 2008 at 6:01 AM
Avatar
SEPTEMBER2157
  • MEMBER
  • 4 POSTS
[quote:457a68d7ca="Docfixit"]Injectors replaced? cleaned? Take a timming light shine on inj pattern see if it is 360 deg and no drips. If not then that will cause what GM refers to as tip in hesistation.[/quote:457a68d7ca]Can you explain how to check the inj pattern please.
Nov 10, 2008 at 9:02 AM
Avatar
DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
You hook up timing light batt and #1 plug wire point strobe light into throttle body it illuminates spray pattern.
Nov 11, 2008 at 6:39 AM
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