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1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-21-2006, 11:50 PM   #11
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Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by Cheetah
For the fuel is it multi port or throttle body?
Huh?

The 87-05 Bonnies all used port fuel injection
Another stupid question; does the 89 use DIS or cap/rotor
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Old 06-21-2006, 11:53 PM   #12
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Quote:
Originally Posted by Cheetah
Quote:
Originally Posted by jr's3800
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Originally Posted by Cheetah
For the fuel is it multi port or throttle body?
Huh?

The 87-05 Bonnies all used port fuel injection
Another stupid question; does the 89 use DIS or cap/rotor
all 87-05 Bonnevilles are also DIS, no cap or rotor..

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Old 06-22-2006, 12:02 AM   #13
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Quote:
Originally Posted by dd4d4c3
Plugs and wires - delco
fuel filter, pcv, and air filter - fram
15K miles
fuel pressure - 45 psi (never changes even when accelerated by hand)
no carbon build ups
check all sensor connections for corrosion
no check engine light
same problem with the engine hot or cold
You did not metion if you checket the coils or if you replaced them. Try that, I had a similar problem with my Burb and it ended up being the coil.

If you need help checking it, just ask and keep us posted
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