Question about Oldsmobile Cutlass Supreme

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My 1987cutlass supreme cut off when slowing down

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Check air filter,fuel filter,clean throttle body.

Posted on Dec 13, 2016


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2001 dodge Durango lobes

Keep adding your regular fuel until the supreme is diluted out of the system. The problem is that the car is not tuned to the octane rating of the supreme fuel and if EFI the CPU is probably having problems adjusting the sensors to suit.. Short of draining out the supreme and wasting fuel that is about all you can do.

Jan 04, 2014 | Dodge Durango Cars & Trucks

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1997 olds cutlass supreme blinkers slowing down and sometimes not working at all

I have the same problem few days ago, and still didn't find any solution. Can any one please help?????17

Jul 28, 2011 | 1997 Oldsmobile Cutlass Supreme

1 Answer

Cutlass Supreme SL, 1993. When I stop, the car cuts out.

Chances are is that your fuel filter is clogged. Change that first. Be careful with the fuel lines if they are old, because due to the year of your vehicle, chances are they are old.

If after your fuel filter is changed and the problem comes again. The next step is checking your ignition timing, but I really feel that your fuel filter is clogged, or congested, not allowing fuel to properly flow.

Aug 22, 2009 | 1993 Oldsmobile Cutlass Supreme

1 Answer

My check engine light comes on when I am on the freeway and slow down for any reason. It doesn't come on until I slow down at all.

It sounds like an egr valve problem, but the only way to tell is to have your system scanned. If you have the 3100 or the 3.4 liter engine the egr valve is about $110 and isnt hard to replace yourself. Get a scan first to rule out anything else.

Jun 27, 2009 | 1995 Oldsmobile Cutlass Supreme

1 Answer

95 cutlass supreme boggs down in overdrive

When in overdrive engine is locked up with trans. so engine performace is more pronouced ,I would think a tune up would be in order.

Jan 01, 2009 | 1995 Oldsmobile Cutlass Supreme

1 Answer

Car running hot

it either needs more antifreeze or it needs a thermostat

Dec 14, 2008 | 1996 Oldsmobile Cutlass Supreme Coupe

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