1991 Oldsmobile Delta 88 CHECK ENGINE LIGHT FLASHIES.

1991 OLDSMOBILE DELTA 88
105,475 MILES • 6 CYL • FWD • AUTOMATIC
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THEBABYPUD1
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Driving down road at 55 mile a hour and speedommiter drops down to 40 mpr then shoots back to 55 mph, and check engine light flashies along with the temp, light

I already replaced the coil and modulator along with the fuel filter. last week.

After replacing these parts it stoped and now it is starting over agane.
Jul 5, 2009 at 1:55 PM
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RASMATAZ
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CEL flashing pull the code/s from the computer might lead you somewhere to start


https://images.2carpros.com/forum/automotive_pictures/12900_GM_ALCL_35.jpg

Jul 5, 2009 at 2:01 PM
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JDL
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https://images.2carpros.com/forum/automotive_pictures/170934_aldl_17.jpg

Hello, did you check for codes? You place a jumper between the the A&B terminals of the datalink connector, turn the key on, no crank. The check engine lite starts flashing, you count the flashes to get the codes. Let us know what you find.
Jul 5, 2009 at 2:01 PM
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