1998 Oldsmobile Bravada with multiple misfires & SES light constantly flashing

Tiny
TKEMPJR68
  • MEMBER
  • 1998 OLDSMOBILE BRAVADA
  • 150 MILES
1998 Olds. Bravada with multiple misfires & SES light constantly flashing. Took into shop & had complete tune-up fuel filter, distributer cap, rotary button, plugs and plug wires. Plus removed and cleaned Mass Air Module put back on & it worked fine plus checked Oxygen sensors. The computer code it gives is multple misfires. Mechanic seemed to think it could be the injector(s) but wasnt sure. Any help would be greatly appreciated thanks!
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Saturday, April 28th, 2012 AT 5:37 PM

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Tiny
ASEMASTER6371
  • EXPERT
So, after all that it is still missing?

Did he do a compression test? It would be wise to do this first to verify that the engine is worthy of a complete tune up.

A missfire code can be caused by a bad crank sensor but it needs to be monitored by a scan tool to verify.

They are common for pressure regulators and spider failures. I would get a second opinion on this.

Roy
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Saturday, April 28th, 2012 AT 5:43 PM

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