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trouble shooting automotive
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Rich G
New User
Sep 29, 2014, 6:56 PM
Post #1 of 7
(2469 views)
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trouble shooting automotive
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1997 Geo Metro
1.3 liter
100,000 miles
Hello, my 97 geo metro keeps shutting down on me. I'll start it up in the morning and it will run fine for 20-30 miles then it will just turn off , I'll pull to the side of the road and try to start it but it won't turn over. I'll wait for a few hours it will start right up and do the same thing over again. I've changed the spark plugs, rotor, and distributor cap. PLEASE if you have any idea what could be causing this problem.... Please help me!!!!
(This post was edited by Rich G on Sep 29, 2014, 7:14 PM)
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kev2
Veteran
Sep 29, 2014, 7:18 PM
Post #2 of 7
(2460 views)
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Re: trouble shooting automotive
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scan for codes YES even if the CEL is not on.
its FREE at most auto parts stores- post any and all codes
It stalls- will not restart- will headlights, horn, radio anything work?
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Rich G
New User
Sep 30, 2014, 1:39 PM
Post #4 of 7
(2431 views)
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Re: trouble shooting automotive
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No codes are coming up and when it stalls out, it still has power... Radio, lights, ect..
I was told it sounds like the distributor, maybe the ignition control module inside the distributor .
(This post was edited by Rich G on Sep 30, 2014, 6:24 PM)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 30, 2014, 10:41 PM
Post #5 of 7
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Re: trouble shooting automotive
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Sport - you are being asked if the engine cranks but doesn't start. We know now you can listen to the radio for a couple hours till it runs which now means nothing.
Where did you determine it has no codes? Same people who said it sounds like a distributor? Next check should be to see if the screws for the license plate are tight enough,
T
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Rich G
New User
Oct 1, 2014, 4:34 PM
Post #6 of 7
(2395 views)
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Re: trouble shooting automotive
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I took the car over to the auto zone today and had them check the codes and this is what I found, aaHO2S11 heater condition (heated oxygen sensor bank aa1 sensor 1) Explanation the powertrain control module monitors the oxygen sensor heater. The computer has recognized a failure in this circuit. Probable cause 1. sensor defective 2.poor connection at oxygen sensor. 3. Check circuit -fuse ..... Would HO2 sensor cause the car to stall out and not start until I wait a couple hours
CAN ANY ONE HELP
(This post was edited by Rich G on Oct 1, 2014, 4:44 PM)
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Discretesignals
Ultimate Carjunky
/ Moderator
Oct 1, 2014, 4:55 PM
Post #7 of 7
(2392 views)
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Re: trouble shooting automotive
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Usually no. An O2 heater problem won't cause a intermittent no start. When the car is started it is in open loop.
You need to find out what is missing when it doesn't want to start. Check for spark, fuel pressure, injector activity. Once you know what things are missing, you'll have direction in troubleshooting your issue.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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