Sputters, surges and lagging on accelerating

Tiny
JUSTINDRAKEC
  • MEMBER
  • 1993 OLDSMOBILE 98
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
My car sputters horribly when starting off from a complete stop or if I even give it good gas, especially at mid throttle. I’ve changed fuel pump, fuel filter, TPS, spark plugs/wires. I checked coils and they’re fine. I’ve used seafoam a few times over the past few months, didn’t notice any changes. Help!
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Tuesday, January 7th, 2020 AT 9:50 PM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
Good morning,

Is the check engine light on?

Did you check the compression?

https://www.2carpros.com/articles/how-to-test-engine-compression

I would not assume the coils are good. They are common failures for this issue since they are part of the module.

Fuel injectors could also cause this issue.

Roy
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Wednesday, January 8th, 2020 AT 7:53 AM

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