Question about 1992 Chevrolet S-10 Blazer

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Can't keep truck running

Truck was cutting out on me, the fuel line was leaking so i changed the fuel line. now in ored to start i have to have the accelerator pressed all the way down while turning the ignition...but it will cut right out. I did a complete tune up but to no avail...HELP

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  • lil_pimp1928 Jul 17, 2008

    if you hold the gas does it keep running and when you let off dies thats your idle control vavle

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Fuel pressure regulator & injectors where i would check

Posted on Jun 16, 2008

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I have 2002 Lincoln ls that is leaking gas from the top of gas tank by fuel pump I've replaced the fuel pump could it be a bad gas line when I go to fill up with gas some of it runs out as I am pumpin


Does the pump have wick disconnects that required a tool to remove them? There are orings in those as well as a large oring sealing the pump to the tank. Make sure the connectors click when you replace them. The pump should activate with the key on. " not started", you should be able to see if the lines are leaking or if it just your fuel fill overflow hose leading to the fill door alongside the large full hose.

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97 tahoe 5.7 vortec starts but wont stay running after new fuel pump, fuel filter, fuel supply lines, fuel pressure regulator, and fuel injectors because it wouldnt start


hello my wife has came home and said she smell gas so started the truck and the sending unlt rusted out and pumped gas on the driveway. so i replaced the tank and the sending unit and also changed out all the lines and filter up to fierwall all three lines are from a kit and fit well. i reused the year old bosch fuel pump .the truck seams like the fuel pump is bad again.
i have 55 to 60lbs and does not change much has i rev the engine. the truck starts right up and does not miss abeat and idales great.the fuel pressure does not fall when i shoult off the truck and held 50pis for about 30min and slowly fell so i dont thing there is any leaks at the spider . i through that the cats are plugged but they are only 1 yery old and has a magnaflow system. anyway i did a vacume test at the intake and started to rev the engine and pulled a hard increse . i owned this truck all of it's life and has only 76000 miles . i have no check eng lights and all 4 of 02 sensors are acdelco and were change when installed the exchust .still bogs at 2200-2300 rpm

Dec 04, 2013 | 1997 Chevrolet Tahoe

1 Answer

What makes my dodge ram sometime cut off...and other times run fine


You might clean the throttle-body and check idle air system. Any applicable trouble codes? Some of the national brand autostores used to check codes for free, if there are any. Changing the fuel filter sounds like a good idea, just make sure there is no pressure on the system before taking any lines loose. Some of the autostores used to loan out a fuel pressure gage.



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I changed the fuel pump recently. now im having trouble getting enough gas or keeping truck to idle.my mazda b2200 truck now cuts out completely on highway while gas peddle touches the floor without a


More likely electrical and not the fuel, hv yr electrics chkd. Could be air getting into the fuel line rechk the joins and line for leaks. cheers

Aug 04, 2012 | Ford Cars & Trucks

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1990 chevy blazer 350 ci throttle body fuel injected . the motor is flooding out u can see the injectors keep dumping fuel into the throttle body


Sounds like you have an injector leaking. Have someone just cycle the key on and off to run the fuel pump but don't crank the engine. If you see fuel dripping from the injectors, unbolt the injector cover on the throttle body, remove the injectors and replace the orings around the injectors.

Jul 22, 2010 | 1991 Chevrolet C1500

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1997 chevy blazer truck won't start no nosie from fuel pump chang


Replace the fuel filter. It should be in line with the fuel pump on the inside of the frame on the driver's side forward of the pump. There should be 1 or 2 bolts securing the bracket in place. Leave them tight and remove the fittings on the front and rear of the filter. Fuel will begin to leak from the lines as you loosen them so keep you face safely away from that area. Once the fitting nuts are backed out completely, remove the bracket bolts and then the filter. Reverse the steps to reinstall.

May 15, 2010 | 1997 Chevrolet Blazer

2 Answers

Truck runs real bad and terrible fuel milage with a 4.3 litre engine


Good chance that the fuel pressure regulator is leaking gas and needs to be replaced. The fuel pressure regulator is located at the base of the throttle body and when it's starts to leak when the engine is running, it starts to flood the engine causing it to run bad and rich in fuel. The other common thing that would cause this is a faulty EGR valve, due to carbon build up and will need to be cleaned or replaced.
Do a fuel drop down test, test pressure line with gauge attached...leave for a bit...does fuel pressure stay close to where it was or drop off fast... if it drops off test the fuel pressure regulator by pinching off the vacum line...while running...pressure should increase...if it doesn't then replace pressure regulator.
Good luck and keep me posted.

Jan 15, 2010 | 1993 Chevrolet K1500

1 Answer

My truck only goes 30 mph and it sounds like its trying to clear its throat, if you know what i mean. I have no power and no accelleration.checked 02 sensors,changed spark plug, got dianostics done and it...


You're either looking at a fuel, air, or a sensor issue. Things like a vacuum leak can hurt as well. Things to look at: your MAP sensor and your Throttle Position Sensor. Both of these sensors will allow your truck to run, but very poorly, with drastically reduced performance. A vacuum leak (or plugged line) going to the MAP sensor can cause it to act like it has failed. Clogged injectors, reduced fuel pressure from a faulty fuel pump, contaminated fuel, and leaking intake manifold gaskets can all cause problems like this too. Sorry I can't give you a cut and dry answer, but hopefully you can use this to narrow things down in your troubleshooting. You may consider unhooking your battery for about 20 minutes, let the computer dump its memory, and start fresh. Just a suggestion though. Hope you find your issue, and get that truck back on the road.

Nov 22, 2009 | 2002 Chevrolet Suburban

1 Answer

My son ran my truck out of gas. Its a 1988 F250


first, is this a diesel? if it is there is a line or oring loose allowing it to **** air--diesels dont like leaks like that and there is a whole procedure for voiding the air from the lines on diesels. next could be the in tank pump and also does it have duel tanks? does the duel tank switch work? running out of fuel with in tank pumps can burn up the pump (the fuel itself provides lubrication and cooling for the pump, gas or diesel) and of course check the filter, running out and refilling could have disturbed trash in the tank

Oct 26, 2009 | 1988 Ford F 250

1 Answer

Lots of black smoke comming out exhoust pipe


It sounds like your fuel pressure regulator is bad. It is located on the end of one of the fuel rails, it will have a vacum line hooked to it. Pull the vac line as soon as you shut it off, if there is gas in the vac line the diaphram is bad or it could be stuck open that is why you have black smoke and are using alot of fuel. You should be able to purchase for around $60.00

Mar 13, 2009 | 1997 Chevrolet K1500

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