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AZ_HUNTER
AZ_HUNTER, GM World Class Tech
Category: Buick
Satisfied Customers: 401
Experience:  16 years GM Tech, ASE Master Certified
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1992 buick regal: cold air..new tps and iac plugs and wires are good.

Customer Question

i have 1992 buick regal   3.1   that is missing at idle,had gas in cold air duct.   has new tps and iac plugs and wires are good.
Submitted: 7 years ago.
Category: Buick
Expert:  AZ_HUNTER replied 7 years ago.

Is the check engine lamp on?? Did it have the misfire before the tune up?

Customer: replied 7 years ago.
no check engine lamp was never on and the misfire was there before the tune up. all cyl do have spark and fuel pressure is good.
Expert:  AZ_HUNTER replied 7 years ago.

You could be having and issue with an injector. Do you have a 12v test lamp?

 

AZ_HUNTER and 4 other Buick Specialists are ready to help you
Customer: replied 7 years ago.

i will check the injectors thank you

Customer: replied 7 years ago.
had a bad injector and one other part that made a big difference
Expert:  AZ_HUNTER replied 7 years ago.
Thats great!! What was the other part if you don't mind me asking.

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