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1989 Chevy 1500 Quits On Me
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chaddaddy202
New User
Jun 8, 2013, 4:02 PM
Post #1 of 6
(1763 views)
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1989 Chevy 1500 Quits On Me
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Bare with me, this truck was my dads truck, and he just recently passed away. I wish I could ask him, he had all the answers, and tricks to get around things so...I apologize for all that I have wrote.
I have a 1989 Chevy 1500 6cyl with 172K
First question: My truck sometimes likes to plain out quit on me. It runs great, no misses, no noises, no nothing. But sometimes, I can be driving lets say to the city dump, or lowes approx. 10-15 miles away, start to head back out and I lose all power to go. Again, no noises, no running rough, it just stops. Then I have to pull over, wait a good 15 minutes and start it back up. Sometimes it runs fine after, sometimes it doesn't. Sometimes if I feel it losing power I can put the pedal to the metal and it will stop it from quiting. I've asked around and I heard anything from the throttle position sensor to oil pump. I don't think it is the oil pump, I could be wrong. The TPS seems to be the fit, but when I hook up my Actron Code Scanner it only gives me codes for the Coolant Temp Sensor and the Vehicle Speed Sensor. Could these be the problems? And if not, what do you think? I had it running today and let it sit and idle for awhile and had no problems.
Second: I noticed, when I idled my truck, the check engine light came on for about 2 minutes, went off for two minutes, came back on after 2 some odd minutes, back off, and stayed off. Why? My truck needs an inspection, it would cause it to fail right?
Third: My parking brake light stays flashing. My parking brake works and all, but when I disengauge it, it stays flashing. Why?
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 8, 2013, 4:29 PM
Post #2 of 6
(1753 views)
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Re: 1989 Chevy 1500 Quits On Me
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You already have known engine performance malfunctions. Why aren't you repairing the coolant temp sensor issue? The speed sensor can effect the speedo but the temp sensor is critical to fuel mixture. It may not the the reason the engine quits but it certainly can't be ignored. It could be a wiring issue, the computer or the sensor itself.
The next time it quits squirt a little gas or starting fluid into the intake to see if it responds to indicate a fuel problem.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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chaddaddy202
New User
Jun 8, 2013, 4:47 PM
Post #3 of 6
(1741 views)
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Re: 1989 Chevy 1500 Quits On Me
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Thanks, and I haven't addressed the issues of the other sensors because I hooked up the computer about 5 minutes before I wrote the post. I didn't think either or of those were reasons why the truck would just stop. I just wanted to get them all done at one time.
The thing about the truck stopping is it seems to only do it on hot days. He has had the problem for sometime now, but he was too sick to get them fixed. It ran well during the winter though. Now that he has passed I figured I would get them done. Kind of a little too late for him to enjoy, but I know he would want to get it fixed so....
Once again Thanks.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 8, 2013, 5:06 PM
Post #4 of 6
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Re: 1989 Chevy 1500 Quits On Me
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No, that's not how you resolve engine performance issues. You don't try to look beyond one problem to try to find another problem. You fix the know problem first and then you see what you have left to resolve.
You have no idea how much one issue is disguising the other.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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chaddaddy202
New User
Jun 8, 2013, 6:20 PM
Post #5 of 6
(1710 views)
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Re: 1989 Chevy 1500 Quits On Me
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True, I'll get those fixed and see what is going on after. Thanks for the advice.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 9, 2013, 6:52 AM
Post #6 of 6
(1693 views)
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Re: 1989 Chevy 1500 Quits On Me
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As Hammer said pay some attention to the coolant temp sensor, the item or the plug right at it. If reading or sending the message that it's always cold it will flood itself out and cause other items to send bad info and run like crap of course or not at all.
Flooring it just is really "deflooding" it.
You can test the coolant temp sensor with an ohm meter knowing the temperature. Not into tossing parts as a fix but it's cheap and reasonably easy for a new one and then rule that out. Get any pig-tail plug with it and properly solder it in! Should be right at/near thermostat I think black/yellow wires and you don't have to lower coolant level much at it's up high in system.
Sorry for your loss. The truck you can fix,
T
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