Question about Geo Prizm

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This is a 95 geo prizm lsi 1.8 with corolla engine. engine jerks or studders when speeding up or at steady speeds around 2500 to 3000 all this happens once the engine is hot. note....i replace eveything i can think of, timing belt, plugs, rotor, wires, i am thinking of replacing the coil although it looks like it has been replaced already because when i bought it the screws looked kind of like someone used tools on it.

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  • hicksj3 Sep 22, 2009

    replaced coil, still jerking

  • hicksj3 Sep 22, 2009

    i have replaced ground cable, cleaned contacts and battery termials, still studdering and jerking

  • hicksj3 Sep 22, 2009

    HERE IS A VIDEO ON YOUTUBE SHOWING WHATS GOING ON.....http://www.youtube.com/watch?v=YMuRpjQT5...

  • hicksj3 Sep 22, 2009

    HERE IS A VIDEO ON YOUTUBE SHOWING WHATS GOING ON.....http://www.youtube.com/watch?v=YMuRpjQT5...

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Could be the coil or the main bearings

Posted on Sep 21, 2009

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1 Answer

I Have a 1993 GEO Prizm that the O/D light is flashing and it starts off I 2nd or 3rd gear.. the codes that was pulled are 26 and 36.. how do I fix this problem?


1.6L or 1.8L? engine.there are 3 engines,
1.6L with one injector and one with 4 and the 1.8L with 4.
and the ecu is different on each.

tell which terminals were jumped. and which lamp flashed?
Corolla - jump DLC terminals TE1 and E1 with a short lead 1

which transaxle.?
A131, A240i, a241h, or A245e, (the e trans is tcm shifted)
The 7AFE engine has the TCM and ECU in same box.
the 1.6L single injector engine runs a pure hydraulic trans.(no TCM)
TCM's engine/trans setups.
the 4speed, has 3 ranges switches, and 3 solenoids. and speed sensors., the MPI engine ecu shifts the transmission the TBI engine does not. MPI has 4 injectors, this your car?

if the OD flashes driving, this means TCM sees errors.
can be bad sensor inputs to the TCM
or bad shifter switch, (really they are sensors too, status switches)
and the TCM can see bad speed sensors.
the TCM can also flash if the solenoids are dead. or transmission slips. (nut shell answers)
IF it skips gears, the TCM may be in limphome, they do that on errors. to protect the transmission for damage.


first, off , prizm is just a toy corolla and those are really corolla

best page on car., but i cant find your codes? are you sure you counted correclty? 26 is too rich running. (fuel ratio) 36 I can not find anywhere, (stumped me)
http://www.troublecodes.net/toyota/toyota-celica-94-95-corolla-93-95/

post vin on car and we can look up what's under the hood.
put xxxx and end of VIN. for privacy.

May 06, 2015 | Geo Cars & Trucks

1 Answer

How to put on a power steering pump for 97 geo prizm lsi


its corolla
see real forums here. links
ask in real forums
http://www.fixkick.com/PRIZM.html

May 30, 2014 | 1997 Geo Prizm

1 Answer

How do i remove a 95 geo prizm dashboard


there are special fasteners all around the dash but you can either contact autozone for a printout or a body shop that oyu know of..

Jan 31, 2013 | 1995 Geo Prizm

1 Answer

1994 Geo Prizm LSI running one day won't crank next day


turns over and crank are the same thing,
so you are saying it does crank over but no start,right?
you need to determine if you have at least 50psi of fuel pressure in fuel rail at reed valve.

Dec 22, 2009 | 1994 Geo Prizm

1 Answer

This is a 95 geo prizm lsi 1.8 with corolla engine. engine jerks or studders when speeding up or at steady speeds around 2500 to 3000 all this happens when the engine is hot or cold. note....i replace...


CHECK FUEL PRESSURE AND FUEL PRESSURE REGULATOR.YOUR FUEL PRESSURE SHOULD BE 38 - 44 PSI.IF FUEL SYSTEM GOOD.YOU COULD HAVE BAD OR STOPPED UP FUEL INJECTORS.TRY CLEANING FUEL INJECTORS FILL GAS TANK UP.PUT A BOTTLE OF INJECTION CLEANER IN FUEL TANK.DRIVE CAR AROUND THE BLOCK.OR DRIVE A FEW MILES SO THE INJECTOR CLEANER CAN FLUSH OUT THE INJECTORS.IF THIS DONT WORK.SCAN IT FAULTY INJECTOR FAULTY TORQUE CONVERTER AND IDLE SPEED CONTROL.

Sep 22, 2009 | 1995 Geo Prizm

1 Answer

Jerking problem on the freeway.


Try replacing the speed sensor on the transaxle.

Jun 13, 2009 | 1996 Geo Prizm

1 Answer

1993 Geo Prizm Lsi Harmonic Balancer


Yes a harmanic balancer from tha corolla is the same thing. I had to do the same thing with my 95 geo. It works out to be a lot cheaper buying for a toyota than a geo.

Jan 11, 2009 | 1995 Geo Prizm

1 Answer

Heater (and a/c) blower motor runs only at the two highest speeds


I had the same exact symptom (02 Prizm LSI)..Order yourself a Blower Motor Resistor (I clicked on it---scroll up on this same screen that you are reading--- AC Delco part, $25.79). When the part arrives, look at it, and then look behind and to the left of your glove box door, YOU WILL SEE IT RIGHT AWAY. 2 screws, takes about 10 minutes to change. Its been nice to get all 4 speeds back! Good luck.

Dec 05, 2008 | 2002 Chevrolet Prizm

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