Question about 1991 Geo Storm

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My 91 geo storm is stalling out. It is very speratic. he wiers are good, I have spark, and the fule pump is kicking on. I just changed the coil and the ignition control mod is working fine. What could be the problem. Also I tried to get a fuel teaster on it but there is no test point..... So im not sure how to hook that up to check the fuel pressure. Any help would be great

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Get a multi-metor and check the egnition system. Distributor could be worn(could have saved my self lots $$$).

Posted on Nov 14, 2010

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What will cause a 1990 geo storm sohc to run rough or not start? Changed, plugs, wires,cap, rotor?


Except for the ignition coil, that about takes care of the secondary ignition system. You should check to see if you have a good strong blue spark at one of the spark plug wires. If no spark, check the coil and the crank position sensor for one place to start, also the ignition control module. If you do have spark, the ignition should be good, and then you could concentrate elsewhere.
If there is a schrader valve on top of the engine-a fuel pressure test port-it would be easy to check fuel pressure. Autozone and others loan a fuel pressure tester. Possibly, a 1990 Storm may require a temporary "tee fitting" in the fuel line somewhere to test pressure. Look for the test port- it may have a cap that unscrews. It would be located in the fuel rail or the line to the injectors.

Beyond that, other problems could be dirty injectors, a malfunctioning EGR valve, a large intake manifold gasket leak, or worst case, a mechanical internal problem. If it gets to that, perform a compression test. If you have good compression in all cylinders, it should be good internally.

Nov 04, 2014 | 1990 Geo Storm

1 Answer

I have 91 olds cutlass supreme new fuel pump filter fule pressure reulator,new coilpac wiers & pluges but car is still stalling what could it be


i had the same issue and i had 4 injectors that were bad(shorted). i replaced all 6 with rebult ones($400) and its starts right up and been runnin fine for a year now..

Oct 06, 2012 | 1989 Oldsmobile Cutlass Supreme

1 Answer

Changed the head on 91 geo storm 1.6 dohc the timing is right it sounds like it wants to fire but it won't all it does is crank over


If you don't know what you are talking about you shouldn't answer how could it be your starter if the engine is cranking over but won't start da big red truck !!!

Jul 11, 2012 | Geo Storm Cars & Trucks

1 Answer

Where do you conectect mto the computer on the 91 geo storm to get a reading


For 1990 Geo Storm 2+2 1.6L MFI SOHC 4cyl the OBD Diagnostic Link Connector is located front seating area, passenger side, under dash, above kick panel, mounted rear of glove compartment.

Hope helps

Apr 21, 2011 | 1991 Geo Storm

1 Answer

91 Geo Storm, 1.6L fuel injected. Overheated on


sounds like you might have cracked the block

Jun 06, 2009 | 1994 Nissan Maxima

1 Answer

No spark from coil.


Please take a look here:
No spark
This may be a series problem.

Nov 24, 2008 | 1992 Geo Storm

2 Answers

Fuel Pump


air in the system?, fuel filter clogged?

Aug 05, 2008 | 1991 Geo Storm

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