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| engine cuts out at about 2800 rpm's; engine cuts out at 2800 rpm's | |
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| Tweet Topic Started: Sep 13 2012, 11:01 PM (1,345 Views) | |
| ktm500mx | Sep 13 2012, 11:01 PM Post #1 |
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Fresh Fish
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working on a 1991 geo metro 1.0 liter automatic car. the issue is the engine cuts out at about 2800 rpm's acts like it is hitting a rev limiter. not a fuel issue seems electrical but i have yet to hunt the problem down. timing is spot on new injector thanks in advance mike |
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| fritzgeo | Sep 14 2012, 12:14 AM Post #2 |
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Member
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Are you driving it and it cuts off or just idling it at 2800RPM? It could be a coolant issue whens the last time you changed that? Spark plugs? and wires? and Distributor cap and Rotor? checked those out? Your Engine light on? The other thing I could think of is your Catalytic Converter is bad, drop the two bolts on the exhaust manifold and turn her on, this is going the be a little load but, wont hurt anything. If you dont want to do that yet turn her on let her run and check the tail pipe see how she breathing out! if poorly then its your cat. One more thing to consider is she could have a Vacuum leak. Check for that. Check your Gap in your plugs too and Your PCV Valve cant stress that enough these new pcv valves are like crap these days and they go out pretty easy they cost like 3 bucks but check yours if it doesnt rattle when you shake it then replace it! One more thing to check out is the Fuel Filter! when you push your throttle down you are sending more fuel which means your pump is pumping more gas so you could have a blocked up filter! Reason for that is because if you let her settle down and your able to crank her back up the sentiments have settled down and you can crank her! but when you rem her those sentiments are being sucked back up and causing a clog.
Edited by fritzgeo, Sep 14 2012, 12:15 AM.
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| ktm500mx | Sep 14 2012, 10:32 AM Post #3 |
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Fresh Fish
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plugs wires and cap are new the tank was dropped and cleaned along with a new fuel pump assembly and filter. fuel pressure in and out of the injector is good grounds were cleaned pcv is new also thx mike Edited by ktm500mx, Sep 14 2012, 04:11 PM.
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| Memphis metro | Sep 14 2012, 10:42 AM Post #4 |
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Scan the transmission for diagnostic codes. Post 163 here, http://geometroforum.com/topic/4464045/11/ |
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| mwebb | Sep 15 2012, 09:45 PM Post #5 |
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FOG
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with no test equipment to start a test light (with a bulb not LED) on coil negative clip on battery POSITIVE tape test light to windshield drive car repeat the symptom , does the light stop .... blinking .... lighting if yes you are loosing spark from the ignitor ... if no spark is good look at fuel same way OR you have the wrong oil in the engine and the lifters are floating open at high engine rpm oil pressure goes high what oil are you using ? Edited by mwebb, Sep 15 2012, 09:47 PM.
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| ktm500mx | Sep 19 2012, 05:02 PM Post #6 |
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Fresh Fish
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ran checks again today fuel pressure good spark good and dropped the exhaust with the same symptoms. i will try to add a video of the engine cutting out in park in my shop. please note the video is large it was shot in hd by mistake. thx mike 1991 geo metro highlighted text is a you tube video of car cutting out Edited by ktm500mx, Sep 19 2012, 05:04 PM.
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| Memphis metro | Sep 19 2012, 06:00 PM Post #7 |
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Possible tps. You scan the transmission for codes? |
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| razr769 | Sep 19 2012, 06:32 PM Post #8 |
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Got boost?
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This is t3ragtop's post regarding a bad ecu. This is for a 4cyl so idk if its the same on a 3cyl. This might give you something to go on:
from this thread |
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