Question about 1995 Chevrolet Blazer

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Truck starts run for a while then die's. It will do this a few times then will not start for an hour or so. Like no spark. What is wrong?

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  • Contributor
  • 25 Answers

Startwith checking fuel psi if that is good move on to checking the coil pack

Posted on Jan 02, 2013

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Posted on Jan 02, 2017

  • 11 Answers

SOURCE: 1995 Chevy silverado with a

I have experienced this problem on similar vehicles. You should try and replace the coolant temp sensor. If it is not reading the correct temp to the ecm, it will not get the right fuel map. Also, the cts will not always throw a code.

Posted on Aug 04, 2008

motor1258
  • 6674 Answers

SOURCE: fuel pump not staying on 1993 k1500 350

Some GM products also incorporate the oil sender switch into that circuit for fuel pump, so that in case of an accident, engine shuts off, oil pressure drops, in turn, shuts off power to fuel pump. May be worth a look at what your getting for oil pressure, as well as checking switch/sender.

Posted on Feb 13, 2009

  • 105 Answers

SOURCE: Truck Stalls when driving down hwy.

Check your air filter. Could be fuel pump as well

Posted on Mar 29, 2009

  • 7353 Answers

SOURCE: I have a 1985 Chevy C/30 pick-up with a 7.4L 454.

85 with TBI only needs 13lbs of fuel pressure. verify that the fuel filter is clean. there is no easy way to ck fuel pressure, special adapters are needed, I dont have info here at home but there should be a relay for the pump, on the firewall and the oil pressure switch also powers the pump. did you replace the pump trying to fix this problem or did you just mention it to help troubleshoot the problem? verify that the fuel pump wiring has a good ground, should have been a eyelet that bolted to the frame..when you initially turn the key on, you should hera the fuel pump power up for 2 seconds, then go off, after the engine starts, the power for the pump goes through the oil pressure switch.

Posted on Sep 19, 2009

  • 1 Answer

SOURCE: no spark when trying to start the engine on 98 chevy blazer

I have a 98 bravada where I was not getting no spark and no fuel, after replacing few parts it came down to the ECM fuse was blown. After replacing the fuse it ran for 20 seconds and stopped again. It blew fuse again. Put 30 amp fuse and it continues to run. Problem now is the heating and cooling is off. Been told could be a short in cable or something in ECM is shorting. Was told by parts guy at Checkers that if putting higher amp fuse in blows as well there is definite problem with ECM. As of now have not had ECM checked.

Posted on Mar 04, 2010

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My 1985 Nissan truck turns on and drives for about 1 hour then it dies, I have to wait another day then it will drive again, what can be wrong


How many miles do you have on her,I also have a 85 Nissan 720 4x4.hAD HER FOR 22 YEARS,IN MINT CONDITION,

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If by your description I'm assuming you say "NO START" you mean it cranks but don't start..? Depending on the YR, make & model Poss. defective module? or switch itself, pickup (if app) Wrong plugs, mass air flow sensor (if app) Any C/E LTS? Scan PCM , also ck coolant system readings & ck emissions when running., crank & cam sensors are popular for that problem along with the module and pickup coil too. It's Long list but I would start with a scan of the PCM & check those crank & cam sensors 1st. Good Luck

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.When the injectors leak they flood the engine and holding pedal to the floor or waiting hours for fuel to dissipate. See if you have spark and fuel when it wont run. If there is no spark check the electronic control module under the cap

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