Question about Chevrolet Blazer

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Vehicle won't start. just replace fuel pump two weeks ago.

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  • ga2q Nov 02, 2008

    i have the same prob but the fuel is getting to the injectors at the right pressure what else could cause it not to start?

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Check to make sure your fuel pressure is correct at the service port near the injectors and that you are getting fuel up to the injectors.

Posted on Aug 09, 2008

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are you getting FUEL ? are you sure ? you might need to replace both the air& fuel filters !!!!!!!!!!!!!!!! fuel pump may be bad !

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I replaced the fuel pump 3 days ago but now my toyota camry 1999 won't start


Do you know for a fact the old fuel pump was faulty ?
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Last week her trooper just died,wouldn't startt.We changed the fuel pump it ran for a week again it won't start.


Did you check the fuel pressure before all of this fuel pump replacement? If the fuel filter is old enough to be clogged up, it should have been changed long before replacing a fuel pump unit. Your fuel filter should be changed every 30,000 miles. However, it would have to be TOTALLY clogged up to keep the engine from starting. It would have been causing all kinds of drivability problems LONG before that could happen.

Then, has anybody bothered to check for spark when the engine will not start? Has anyone scanned the onboard computer? (which happens to be in full control of both the fuel system and the ignition system)

You just might be trying to repair the wrong system...

There is no way anyone online can accurately tell you why it will not run without checking the vehicle first....although many uneducated DIYers might GUESS for you...which seems to be just as good as you are already doing....

PROPER DIAGNOSIS REQUIRED!

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2002 ford escape about two weeks ago started having trouble starting would turn over but would not start you had to turn it over 3 or 4 times before it would start then no more trouble the rest of the...


depending on your knowledge of the vehicle check the crankshaft sensor, and the fuel pump relay. see in you are getting spark to the plugs.

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You said you have fuel flowing from the inlet line of the injection pump? But not at the injector lines?

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If i stop or let idle i feels like its being starved for fuel.. turn off the engine and start it again it runs fine till i stop again. Just replaced the fuel pump a week ago and has been running fine.


Mine did that to me about 4 months ago. I started by changing the fuel filter it ran great for a month. but by doing that it released all the pressure off of the fuel pump which then went out. If you run your vehicle below 1/4 tank it starves the fuel pump. The pump needs that fuel because; The fuel is the lubrication for the pump. Running your tank down consistently over a period of time will short the pump out faster.

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