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I have a 1991 geo metro, it misses a little at idle and tries to die but runs. When I try to drive it it misses real bad and won't accelerate when under load. It has new plugs, wires and cap. What could cause this?

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  • 444 Answers

The motor has seen it,s beter days, Low compressionn in cylinders.

Posted on Nov 01, 2012

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Posted on Jan 02, 2017

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  • 12 Answers

SOURCE: Check engine light comes on temporarily - engine chuggs at idle

Before changing you pcm try cleaning your egr valve. remove the valve and see if its stuck in the open position if so use a small pick to clean around the spring.

Posted on Mar 12, 2009

nrosenberry
  • 4 Answers

SOURCE: hesitates on acceleration

Does the car always hesitate during acceleration? If it ALWAYS struggles when it starts or ALWAYS hesitates on acceleration then I would say the issue is fuel delivery. If the problems are more intermittent and come-and-go then it could be an electrical issue.

I would start by changing the fuel filter. Changing plugs, wires, cap, and rotor are all good things to do as your budget will allow. I doubt you will have to change your injectors.

If you end up replacing any rubber fuel line, be sure to use the high-pressure stuff made for use on fuel injected cars.

I hope this helps! -Nick

Posted on Apr 10, 2009

roniecon
  • 6826 Answers

SOURCE: on a 96 toyota tacoma, coil packs are new, plugs

Is there any check engine lights on?The throttle position switch could be a problem,but so can fuel pressure.Fuel pressure is what I would check.Battery voltage and charging voltage needs to be checked,Battery voltage of course should be 12 volts.The charging voltage should be 13.65 to 14.25,and the battery cables cleaned real good and shiny.Does the vehicle start good,or drag when starting?See if auto zone will read the codes for you,and tell you what they are,but don`t purchase any parts until you come back to this site to see what the codes can actually mean.If the o2 sensor showed lean,then it is possible that the fuel pressure is low,fuel pump replacement will be a must. I hope this was helpful,but need information,so do these things and return to the site.thank you.

Posted on Oct 11, 2009

  • 1 Answer

SOURCE: my 94 geo metro runs very rough and has

Had similar issus with mine, turned out that egr valve was about 90% clogged-pull off egr and make sure opening on back side port is about the size of a nickel, if not-clean out-should clear it up---best of luck

Posted on Mar 09, 2010

pappapumpdaf
  • 635 Answers

SOURCE: My 1990 Geo Metro will not accelerate. It idles

The problem I've had with metro's is the pre-cat located in the exhaust manifold itself. If you don't live in California, you don't even need this piece of junk. It overheats the heads and makes it crack, or makes the head gasket leak. Removal is rather easy though. Remove the exhaust manifold and chip that baby out, use a shop vac to remove the pieces. If your model don't have one, it will usually be the one on the exhaust pipe itself. But you already replaced that. Try a short test run with the manifold disconnected and see if acceleration improves to rule this out as a potential problem. Also check your TPS, (Throttle Posotion Switch) with an ohm meter to be sure it hasnt developed any dead spots. Yet another source of trouble seems to be a stuck EGR (Exhaust Gas Recirculator) valve. This will allow too much exhaust to enter your fresh fuel air mixture, decreasing detonation, and slowing acceleration.

Posted on Mar 09, 2010

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1 Answer

1991 geo metro engine light came on and it die now won't start motor turn over but won't start


did you try cranking with throttle open 100%
this clears flooding this cuts the injector(s) dead.
does it/
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try test fuel (spray)? run for 3 seconds,
if not, you lost spark check fuses.
if you have spark and it wants flood is the cam belt 10 years old too, if it slips it will not run again, ever.
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