Question about 1997 Geo Metro
I accelerate to high speed and on when there is back pressure on engine I have sporadic fuel
Posted by Anonymous on
3 anon posts. can we get 4?
WHICH ENGINE ASKED 3 TIMES. NOW.
g10 g13BA OR g13BB ENGINE?
MY wild guess, i use tools and not guess but here in net bunny land, cant
1: cat melted
2: fuel pressure low
3:never tuned up in a decade, filters., spark parts
4: map sensor hose bad, clogged,cracked or?
Posted on Feb 12, 2017
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Posted on Jan 02, 2017
SOURCE: 2001 geo metro lsi, engine
You didn't describe the nature of the 'noise' which is probably why you haven't received a prior reply.
If it is missing, it might be injector problems but the injectors themselves are not loud enough to be heard over the other engine noise.
Spark plugs, ignition wiring, fuel filters cannot 'make noise.' Any of those can cause the car to run rough but not cause any specific noise unless it is related to the engine misfiring and in that case, it wouldn't just be a source of noise but also inadequate acceleration and a prominent jerking of the car at low RPMs. Carbon buildup is the likely cause although causing any engine to lug (drive in a higher gear at low speeds) can damage bearings in the engine, creating excessive bearing play and a knocking noise under some conditions. Also, a failed exhaust manifold gasket or associated pipes being cracked can really cause a racket.
Without us hearing the noise, it's kind of hard to diagnose it, but the above might give you some guidance.
Posted on Oct 13, 2008
When was the last transmission fluid ATF and transmission filter change?
The recommended interval is 2 years or 24,000 miles.
Is the ATF color a lite pink color or it's DARK RED?
Any burn smell?
Do the old fashion drop the trans pan and filter change.
DO NOT GO TO shop that use a machine to flush your automatic transmission.
Most Metro automatic can go up to 140,000 miles before needing a rebuilt.
If the ATF is in lite pink and it's not burn then the most likely cause are
1)lock up torque converter is not functioning
2)transmission filter is clogged
Please rate my answer if it's useful to you.
Posted on Dec 11, 2009
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
Testimonial: "Thanks so much! That will give me some new stuff to look at. I really appreciate your help!"
SOURCE: I have 1994 GEO Prism.
sounds like you got some bad gas as it happened right after you got gas. take a fuel sample and see if it has water in it also if you got some with a high ethanol content it would do this. did you fill up? if it is around half tank or under fill up with some good gas and just run out
Posted on Mar 17, 2011
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