Engine is running rough like its missing

1994 BUICK LESABRE
66 MILES • 3.6L • 6 CYL • FWD • AUTOMATIC
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ZACH11
  • MEMBER
  • 1 POST
I have a 1994 le sabre that i just recently got and it just started to run really weird i was driving up a canyon and went to pass and as i accelerated it started to jerk really hard as if the tranmission was slipping or the engine was missing. I took it to my machanic and he plugged it in and could not figure out what was causing the problem. Can anyone give me some ideas of what this might be?? THANK YOU
Dec 13, 2013 at 11:52 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
scan for codes and check fuel pressure 41-47 psi
Dec 13, 2013 at 10:15 PM
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HARRY P
  • ✓Experienced Mechanic
  • 2,292 POSTS
Check the spark strength and plugs. These cars require a strong spark. If the plugs are something other than AC/Delco plugs, replace them.
May 22, 2014 at 12:19 PM
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