Question about 2000 Chevrolet Blazer

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Problem Starting fuel pump for filter

When it is hot outside the blazer has a problem starting. Keep trying an it will start in several min.

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Hi one comon problem in many cars when is hot outside is vapor in the gas tank , try opening the cap before you start it and see if this helps, Good Luck...

Posted on Aug 19, 2008

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I have a 97 Chevy Blazer that will crank but not start. I can get the vehicle started with the help of starting fluid or gasoline put in the throttle body but throttle response while driving is poor. ...


if it starts with starting fluid. its not getting any fuel to engine. first check the fuse and relay for fuel pump. then make sure fuel pump comes on when you try to start it. its only on for a few seconds when starting. then when driving its on all the time. good-day ! fuel filter also if need be.

Jul 09, 2011 | 1997 Chevrolet Blazer

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My 1997 blazer won't start unless primed in the throttle body it runs fine after when shut off for a day it needs primed again


This sounds like a fuel pump is starting to fail. The system is designed to keep, or at least prime rather quickly to allow for efficient starting. If the pump is begining to fail or, has a plugged fuel filter (which will kill a fuel pump), it may create this issue. One other item to check is the coolant temperature sensor. If it is reading warm when it is cold, this symptom will occur.

Jan 19, 2011 | 1997 Chevrolet Blazer

1 Answer

96 chevrolet blazer 4.3 when truck sits over night it cranks over for 3-6 seconds before starting. will start a little quicker if gas pedal is slightly pressed?


There are several common fixes for this problem. Fuel spider is one, fuel pressure regulator is another. However, the most common and likely is your fuel pump module assembly. The fuel pump has to be able to hold pressure from the fuel tank all the way to the regulator. It works just like a foot valve on a well. When it goes bad it let's the fuel in the lines & fuel filter bleed the fuel back to the tank when not in use.when you try to start it after it sits, the fuel has to flow all the way back to the engine. Although the fuel pump is the most expensive of these items, more often than not, that will fix it. Fuel filter should also be checked and replaced if installing a new pump.

Jan 07, 2011 | 1996 Chevrolet Blazer

2 Answers

2000 chevy blazer (4.3 engine) has a hard time starting in the


dirty fuel filter or faulty pump....just a guess...

Feb 15, 2010 | 2000 Chevrolet Blazer

2 Answers

My blazer has a new fuel filter, egr valve and


As a quick test,fill-up the tank and do not top off.

Monitor the starting problem.

If you're starting OK until BELOW 1/3 of the tank then it's a weak/failing fuel pump.

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Mass air flow (MAF) senor provide air temp/density to the computer.

Buy a can of MAP cleaner and follow the instruction on the can.
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Nov 11, 2009 | 1994 Chevrolet S-10 Blazer

1 Answer

Starting problems


Please check the fuel system. The fuel pump and the fuel filter.

Aug 23, 2009 | 2004 Pontiac Grand Prix

1 Answer

Hard starting, excessive crank time


try changing the fuel filter and turn the key on and off several times before starting engine. once running check the vaccum line on the fuel pressure regulator.the regulator can leak fuel from that connection.

Feb 27, 2009 | 1996 Chevrolet Blazer

1 Answer

S10 blazer starting problems


First thing to do is chg. fuel filter, than if that don't help, do a fuel pressure chk. pump might be getting weak. if all that chks. out ok it could be fuel regulator, but most likely its either the filter or pump.

Feb 05, 2009 | 1992 Chevrolet S-10 Blazer

2 Answers

1999 Chevy Blazer Sometimes start


fuel filter is acheap part ur car needs and it cause the same, or coil can go out slowly. take it parts stare to have it checked good luk claymister

Dec 16, 2008 | 2001 Chevrolet Blazer

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