Question about 1999 Chevrolet Blazer

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Why the engine starts, runs about 5 second, dies and then won't start, if you wait 10 minutes it starts and runs fine, this happens once every few weeks/months or twice in one day, no set pattern. hav

1999 Chevy Blazer 4.3, engine starts, runs about 5 second, dies and then won't start, if you wait 10 minutes it starts and runs fine, this happens once every few weeks/months or twice in one day, no set pattern. have already changed fuel pump, fuel filter and upper intake on top of throttlebody.

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  • Chevrolet Master
  • 5,274 Answers

I saw what you replaced, didn't see any testing? What testing have you done? Make sure battery has a full charge?
When the problem is ongoing, have a helper crank it, while you check for spark at the plugs. If spark everywhere, use a gage and check proper fuel pressure. Also, check fuel injector pulse. Any applicable trouble codes?
If you have the spider fuel system, that system is noted for problems.

Posted on Jan 28, 2018

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

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Posted on Jan 02, 2017

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wickedsteele

AJ Dungan

  • 56 Answers

SOURCE: I have a 1993 Ford

Yes a fuel filter can cause the problem but I would say it's most likely the fuel pump or fuel pump relay. Can you hear the fuel pump running when you turn on the ignition?

Posted on Aug 09, 2008

Anonymous

  • 24 Answers

SOURCE: WON'T KEEP RUNNING

Check the exhaust compression. Remove the O2 sensors before the cataylic converts and see if it improves. If it does that means your cats are cloged and need to be replaced.

Posted on Feb 21, 2009

greg_margo

Greg Margossian

  • 1959 Answers

SOURCE: Dies after running about 2 minutes

It's got all the symptoms of a leak in the fuel line. You may want to start backward at the tank and work your way all the way to the carb to find it but it would be surprising if it was something else. All the best.
Greg

Posted on Jun 15, 2009

ronaldo_ross

Ronado Panaligan

  • 1056 Answers

SOURCE: 1994 ford ranger interminant fuel pump problems

Loose connection is the problem. It takes petience to find where it is at. Do some wiggling on wires to see where it is.

Posted on Aug 13, 2009

Jim

  • 1041 Answers

SOURCE: My focus tdci 1800 ran fine until recently. I was

There are a number of faults I'm aware of with the focus which can cause driveability,cutting out and non start problems.
1 poor earth connections in engine bay, you need to check and clean ALL earth connections in engine bay

2 engine wiring shorts out against EGR valve (but this normally blows fuse F9 (20amp) wiring needs to be repaired and re-routed and secured

3 erratic running and non start (glow plug warning lamp flashes when this fault is present) this is caused by low fuel rail pressure and is expensive to put right you need to check for the following fault codes P0109, P0191, P0251, P1211, P2288, P2291
if one or more of these fault codes are present remove fuel filter and drain contents, inspect for deposits(black with silver particles) if deposits are 11mm you need to remove fuel tank and flush it out.
the following will need to be renewed:
fuel rail, high pressure fuel lines, fuel supply line filter to high pressure pump, fuel return line from high pressure pump to filter, kit protection blanking plugs, kit, leak off pipes, fuel injector clamp bolts, fuel filter, high pressure pump gasket,high pressure pump seal,high pressure fuel pump and timing belt.
I recomed you carry out you diagnosis in this order

Regards
Jim

Posted on Jun 04, 2010

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