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Chevy Blazer Starting and Stalling Problems

318 messages,  Last post on Nov 03, 2009 at 3:50 PM

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What is this discussion about? Chevrolet Blazer, GMC Jimmy, SUV


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#278 of 318
Re: 1995 Chevy Blazer [jyoung4478] by jlflemmons
May 25, 2009 (7:44 pm)
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Replying to: jyoung4478 (May 25, 2009 9:49 am)

Okay, first off, not carb cleaner, but throttle body cleaner. Something different in the chemistry.
 
Second, check the vacuum line coming from the intake manifold over to the vacuum resevoir. Would be in the area around the brake booster.
#279 of 318
CRANKING PROBLEMS by msbrewster
Jun 15, 2009 (3:11 pm)
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I have a 2001 Jimmy GMC and some days my truck will start and some days it won't I have put it on a computer and it's not reading any problems. I have changed the rotor,distri.cap I have reset the computer,and they say nothing's wrong with my fuel pump it's giving the right reading could anyone help me with this problem and when this started it's hard to put it in gear please help me anybody
#280 of 318
starting problems 97 blazer by spck68
Jul 14, 2009 (2:42 pm)
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my blazer wont start unless i spray carb cleaner in the carb.i've read that u need 60 psi to start but mine only has 50 to 55 key on engine off.it has a new fuel filter so dose that mean i just need to replace the pump? btw once i get it started it runs fine and useully will start again but not after sitting all night.plz help
#281 of 318
Re: starting problems 97 blazer [spck68] by jlflemmons
Jul 14, 2009 (7:12 pm)
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Replying to: spck68 (Jul 14, 2009 2:42 pm)

Sounds more like a leaking fuel spider assembly. 55 psi is probably enough to get it going, and not likely to increase once started. If the fuel pump were bad, it wouldn't want to keep running.
 
You said this is a '97 model. You shouldn't be spraying carb cleaner into it as there are components that can be harmed. You might try taking the MAF out and cleaning it with an approved cleaner. The throttle body can be cleaned, but should be done with throttle body cleaner, not carb cleaner.
#282 of 318
Re: starting problems 97 blazer [spck68] by elaney1981
Jul 14, 2009 (8:23 pm)
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Replying to: spck68 (Jul 14, 2009 2:42 pm)

I agree with the other post either the spider or the fuelpressure regulator. Its not a hard job to do only took me 45 minutes, just make sure the bolts go back into the right location.
#283 of 318
wont start by kingusa95
Jul 26, 2009 (6:25 pm)
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I have a 2002 blazer that will not start. It will turn over but not start up. I am getting a fuel pressure of 45, i do not know what it should be at. I am thinking my fuel pump is bad. I replaced one about 3 years ago. Anyone have a suggestion?
#284 of 318
Re: wont start [kingusa95] by elaney1981
Jul 26, 2009 (6:37 pm)
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Replying to: kingusa95 (Jul 26, 2009 6:25 pm)

The problem is the fuel pressure regulator. the pressure should be 55-60. even 45 is too low. hope this helps.
#285 of 318
Re: wont start [elaney1981] by kingusa95
Jul 26, 2009 (7:10 pm)
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Replying to: elaney1981 (Jul 26, 2009 6:37 pm)

thanks for the info. where is the pressure regulator? is it easy to change?
#286 of 318
97 Chevy blazer will not start by yruffin
Aug 06, 2009 (7:31 pm)
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About a year ago I noticed a problem with my 97 chevy blazer. The check gages light was coming on every now and then and sometimes it would cut off while I was at a light or stop sign. Then one day after I had driven the car all day, I came home and parked for about an hour. When I went to start the car it acted as if it wanted to start but did'nt. Six months prior to this I had gotten a new fuel pump, radiator, battery, and the spider and fuel valves changed. The fuel pump was from auto zone. The vechile has been sitting up for maybe a year and a half and I miss my truck. I did not have the money to get it fixed being that five to six months prior to the break down I had spent around $1,000.00 to get those things that I mentioned fixed. Can someone please help me try to figure out what is wrong? Any suggestions would help. I miss my truck!
#287 of 318
Re: 97 Chevy blazer will not start [yruffin] by elaney1981
Aug 07, 2009 (3:38 am)
Reply

Replying to: yruffin (Aug 06, 2009 7:31 pm)

I would try the crank positioning sensor.

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