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1992 Geo Prizm having acceleration issues..

11 messages,  Last post on Nov 03, 2009 at 6:50 PM

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#1 of 11 1992 Geo Prizm having acceleration issues.. by nwdpuppy Feb 08, 2008 (3:46 pm)
I found these terms on goodyear.com and they best describe what is happening with my car. My boyfriend already checked the spark plugs and they are all working fine. He thinks its the transmission... anyone have an idea whats wrong with my car based on the below descriptions?   It has 216K on it   Miss Pulsation or jerking that changes with engine speed. Exhaust has a steady spitting sound at idle or low speed. Not normally felt above 30 mph. Rough idle Engine runs unevenly at idle. Car may also shake. Sluggish Engine delivers limited power under load or at high speed. Won't accelerate as fast as normal. Loses speed going up hills. Vehicle has less speed than normal. Spongy Little or no increase in speed when accelerator is pushed down. Continuing to push pedal down will eventually give an increase in speed. Replies to this message: aiiee (Jun 17, 2008 6:54 pm)
#2 of 11 1992 geo prizm by rsh Feb 12, 2008 (4:26 pm)
I would like to know where the fuse is located for the fuel pump on 1992 geo prizm. any answers. Replies to this message: tellmeboutit (Apr 01, 2008 6:36 am) wolfdragon (Aug 05, 2009 5:38 pm)
#3 of 11 Re: 1992 geo prizm [rsh] by tellmeboutit Apr 01, 2008 (6:36 am)
Replying to: rsh (Feb 12, 2008 4:26 pm) My mothers car has simular problems. Manually shifting helps on hills. Her's is a four cylinder overhead cam. The spark plugs are located in the center of the head and about six inches down. The spark plug wells can fill with oil if the seals are getting brittle. Check for oil down where the spark plugs are. This can cause the spark to spark to be weak or completely short it out. If there is oil down there, I would suggest a valve cover gasket kit, new plugs(.042) gap, a new spark plug wire assy and a rotor while your at it. This gave us more power, however there is still a puff at the exhaust. I'm concerned this may be a burnt valve or cam timing issue.
#4 of 11 A sputtering and stalling 1997 GEO Prizm. by newyorkred Jun 03, 2008 (12:43 pm)
Looking for a diagnosis. My mechanic says nothing shows up as problem on his diagnostic machine but I've since learned that my second fan wasn't re- installed when the radiator was replaced. It wasn't a problem in winter but now that it's warm my problems began including occasional over heating, don't know if there's any relationship. HELP!
#5 of 11 Re: 1992 Geo Prizm having acceleration issues.. [nwdpuppy] by aiiee Jun 17, 2008 (6:54 pm)
Replying to: nwdpuppy (Feb 08, 2008 3:46 pm) Check the compression, sure sounds like one of your cylinders isn't doing it's job. Could be gasket, could be valves, could be rings if your compression is off.
#6 of 11 92 Geo Acceleration prob. #3 by tellmeboutit Jun 18, 2008 (4:40 am)
Meant to post sooner. The problem turned out to be the head gasket. It was burnt between the #1 and #2 cylinder. Replaced it and it is running fine. The problem started out as just a loss of power and a puff in the exhaust that just was noticable. Eventually the engine began to detonate( spark knock) severely. Replies to this message: aiiee (Jun 18, 2008 3:44 pm)
#7 of 11 Re: 92 Geo Acceleration prob. #3 [tellmeboutit] by aiiee Jun 18, 2008 (3:44 pm)
Replying to: tellmeboutit (Jun 18, 2008 4:40 am) Glad to hear you got it fixed. I had similar problems with an old Ford Maverick, so I recognized the symptoms.
#8 of 11 1994 Geo Prizm acceleration issues. by scott46550 Jun 18, 2009 (7:16 pm)
When you bring the car to a stop sign and then proceed to accelerate it stalls. It will start back up, but every time you take off from a stop it stalls. Mostly happens after the car warms up. Getting spark, gas and air. The car has a brand new cap, rotor, plugs, wires, battery, terminals, throttle position sensor, and idle air control valve. Need help because other than that it runs really good. Would like to keep it if possible.
#9 of 11 Re: 1992 geo prizm [rsh] by wolfdragon Aug 05, 2009 (5:38 pm)
Replying to: rsh (Feb 12, 2008 4:26 pm) there are 2 EFI fuses under the hood in the fuse box next to th battery
#10 of 11 fast idle by dumpman Oct 04, 2009 (8:58 am)
When i strart my 2001 prism up in the morning it has a fast idle , what could cause that? Replies to this message: wolfdragon (Nov 03, 2009 6:50 pm)

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