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- Newsgroups: rec.autos.tech
- Path: sparky!uunet!psinntp!newstand.syr.edu!mothra.syr.EDU!ravalent
- From: ravalent@mothra.syr.EDU (Bob Valentine)
- Subject: Re: Please help my Blazer!
- Message-ID: <1993Jan26.001500.8475@newstand.syr.edu>
- Organization: Syracuse University, Syracuse, NY
- References: <25JAN199300052715@zeus.tamu.edu>
- Date: Tue, 26 Jan 93 00:15:00 EST
- Lines: 54
-
- In article <25JAN199300052715@zeus.tamu.edu> mab3474@zeus.tamu.edu (Myles Barkman-KG5AI Tx A&M Univ.) writes:
-
- >I have been having some trouble with my 90 Chevy Blazer for about a month.
- >Occassionally while driving (usually accellerating) I loose power and the car
- >sort of buckles like it wants to stall. As the car warms up, the problem gets
- >worse especially when I have to go from a stop. Someone told me it could be
- >water in my gas so I tried some remover and it seemed to help. I put in some
- >really good gas too. But the problem comes back sporadically. When it is
- >really bad, I can't start the car. When I try to start it, it just cranks
- >and cranks and often kicks really hard like the spark is firing at the wrong
- >time and kicking the piston down at the wrong time. I have also smelled
- >Hydrogen sulfide a couple of times before I shut the engine off and then
- >couldn't start it.
-
- Might want to check that the cat. converter is not plugged. Easy
- way is to hang a vaccum guage on it. If it starts, and immediately
- drops, it could be a exhaust restriction. COULD be....
-
- >Someone told me it could be crap in my tank and I need to
- >get it pressure flushed. Someone else told me to try techroline. I did and
- >it didn't fix the problem. I took it to the shop (had to push it the last
- >50 feet after stalling) and had the mechanic look at it. He noticed the
- >engine not starting and didn't get to it til the next day. Problem is, after
- >sitting for that long, it started right up and never acted up on him again.
- >He checked the computer on the car and it checked out. He did replace the
- >fuel filter which had some restriction in it but he doesn't think that was
- >*THE* problem. It had been nearly a week since I took it in and it still
- >works OK but I am afraid and the the mechanic is sure that it will happen
- >again. I just hope I can make it to the shop when it starts messing up again.
- >If anyone knows what is going on or has any ideas, please share your ideas.
- >When the car works, it works great. When it doesn't, it sucks. Since it
- >is so intermittant, I can't see it being the timing belt slipped.
-
- This one is a really odd one, but cranking problem could be a
- intermittently bad spark control, or even a head gasket leaking water
- into the bores while the engine is sitting. I'd chase down the spark
- system really well first, tho.
-
- How about providing us with some details of what engine you have?
- Generally helps in diagnosis.....
- >******************************************************************************
- >* Namenet : Myles Barkman aka 'Scanman' Texas A&M University *
- >* Hamnet : KG5AI V.P. of W5AC-TAMU ARC College Station TX *
- >* Internet : mab3474@venus.tamu.edu RACES Grad-Dec.92 *
- >* Bitnet : mab3474@tamvenus ARES BS Electronics *
- >* Packetnet : kg5ai@w5ac.tx.usa.na SKYWARN Engineering Technology *
- >* ICBMnet : 30.606 N 96.316 W I never met a tornado I didn't like. *
- >******************************************************************************
-
- --> Bob Valentine <--
- --> ravalent@mailbox.syr.edu <--
-
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