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1988 Oldsmobile Delta 88 Shuts off randomly

Tiny
TONYD235
  • MEMBER
  • 1988 OLDSMOBILE DELTA 88
  • 3.8L
  • V6
  • FWD
  • AUTOMATIC
  • 165,000 MILES
Hello I have a 1988 Delta 88 and the car runs great! But now I am having a problem with it shutting off randomly. I change the plugs, wires, crankshaft sensor, temperature sensor. And cleaned the mass air flow sensor and still the car shuts off randomly. It shuts off but if I wait about a minute it will start run for a mile or two and shut off again. It doesn't do it all the time but it's becoming more frequent. Can you tell what the problem is? Thank you!
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Saturday, March 28th, 2015 AT 3:24 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,779 POSTS
When it doesn't start, check to see what is missing. Is it spark or fuel.

Let me know what you find. Also, let me know if you checked for trouble codes.
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Saturday, March 28th, 2015 AT 9:03 PM
Tiny
TONYD235
  • MEMBER
  • 62 POSTS
Well I checked and the fuel is good (fuel pump and pressure) and spark is also good. I was told that my MAL mass air flow could be bad. Help!
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Sunday, March 29th, 2015 AT 2:07 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,779 POSTS
It could be bad. However, there should be a code in the computer identifying that component as having failed. Have you checked for codes?

As far as the fuel and spark, was the pressure within the manufacturer's specs? Was the spark a good hot blue spark?
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Monday, March 30th, 2015 AT 8:39 AM
Tiny
TONYD235
  • MEMBER
  • 62 POSTS
It was the fuel pump. It went completely out yesterday. But thanks for your time
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Monday, March 30th, 2015 AT 6:16 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,779 POSTS
That will do it. Take care.

Joe
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Monday, March 30th, 2015 AT 7:37 PM

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