Question about 1988 Buick Regal

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OBD 2 location

Where is the OBD 2 connector plug for a 91 geo storm located?

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Ronny Bennett Sr.

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Does not have this obd 2 ,anything before 1994 does not have this ,u have a ald conector unde steering colum a code key will flash codes for repair

Posted on Jun 28, 2009

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1 Answer

Have a 91 geo tracker an wont crank does it have a computer


It has obd one which is a totally different protocol than obd 2.

Jun 24, 2017 | Geo Cars & Trucks

1 Answer

Wiring diagram for alternator


ok , ill never say read the book again.
nobody wants to read. Ill not mention FSM books.
I like to teach how to fish not fish for you...
dig?

the alternators can very by engine size. so... ?
here is yours. im guessing engine.
4xE1

pin B is the very large, charge wire to batt. fuse box.
PIN IG IG1 is ignition switch
PIN L IS THE CHARGE LIGHT .


25767385-52so0pzh1nyxjy4j3lxu5fwe-1-0.jpg

Jul 01, 2015 | 1993 Geo Storm

2 Answers

How do I read trouble codes for 91 geo storm? Scanners are to new to read.


that is true.
but some cars running obd1 , can be scanned,. (i have one)
like all GM cars and even older, , some ford, , Honda's . Toyota;s
but this car is GEO, (underdog, but is really what. a Isusu.)
Isuzu's cars are mostly not raced or sold here now. so who's going to make scanner for such a rare car and engine and EFI?
there is no OBD1 standard, each company uses a unique design.
then,... so...
OBD2, in 1996 a USA invention is a standard and all tools work.
so....
what you have is the old blink codes. wink wink...
all OBD1 cars work like this (or very close)
you connect a jumper wire, and the CEL lamp flashes codes.
so is the CEL stuck on? running.
must come on key on, bad lamp or bad ECU.

you can check out Isuzu Impulse

Example storm post..OBD1991 (USA)
To put the ECM (Engine Control Module/Ignition Control Module/Engine Computer) into diagnostic mode, where it will flash codes at you using the "MIL" (Malfunction Indicator Light or "Check Engine" light), short pins 1 and 3 of the ALDL/OBD1 connector using a paperclip. When you then turn the key into the on position, the MIL should flash once, then pause a bit, then flash twice. That means code "12." If there are other codes, they will be flashed out as well. All codes are two digits.
end quote, on storm

but where is the connector DLC?
and which pin is 1 an 3
so. we google more, or look it up in alldata.com like most do.

or here
http://www.robietherobot.com/storm/stormFAQ.htm

that was the 1st google hit, using clear text human questions.
DLC jumper storm or Impulse.
or diagnostic jumper Impulse.

join a Geo storm or inpulse forum and ask for scan tools.
they will be custom tools. (or hacked, as i have done)

Sep 17, 2014 | 1991 Geo Storm

1 Answer

Fuel filter location


i have 91 geo storm and mine is right below the master break cylender. sorry cant spell

Jan 11, 2013 | 1994 Geo Metro

2 Answers

Where is the fuel filter located on a 91 geo storm 2+2


Thanks for choosing FixYa and welcome. It is usually on the same side as your gas cap is. Go to the side you fill gas up and look under the car. You will see the gas lines running. You want to follow them. You should see your gas tank. There should be a pipe that comes out of the tank. This will be the one that has your fuel filter on it. Once you see that pipe, you should easily see the fuel filter.

Jul 11, 2011 | 1991 Geo Storm

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

How to set the timeing on 91 geo storm


The timing marks are located near the top of the crankshaft pulley on the plastic timing belt cover. There is a notch in the pulley to mark TDC (Top Dead Center)
Align the notch with the 0 mark on the plastic cover to set your base timing.
Ground the proper circuit on the ALDL connecter located under the dashboard somewhere under the steering wheel. Check the manual for the proper circuit to ground.
With the engine warm and the circuit grounded. Set the proper timing. Un-ground the circuit and you are done.

Dec 13, 2008 | 1991 Geo Storm

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