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07 vz800 starts at full throttle runs 3 to 8 seconds and dies. New fuel pump, new plugs. Sat for about 8 months. Tank is clean. Any suggestions?

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Posted on Jan 02, 2017

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SOURCE: 1995 AUDI 90 CS - Hard to start... spark & fuel OK

Have you tried replacing the starter? I know starters can go bad if the car is not started or run for a long time.

I am getting the same car, with the same issue.. it sat for 2 yrs and won't start.

My mechanic told me it is probably a starter.

Posted on Mar 31, 2009

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SOURCE: 95 chevy lumina van won't stay running

i would check the fuel pressure and see what it reads. im not for sure what the reading would be for that year model. you can call your local service department and see what they are. check them with the key on and vehicle off, then check them with the car on. if you dont get the right readings you are supposed to then i would say the fuel pump is not doing what it is supposed to do.

Posted on Jun 19, 2009

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SOURCE: 91 Jeep wrangler New everything idles rough, no Power then dies

you check for miss how is compression

Posted on Aug 29, 2009

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SOURCE: 1987 Volvo 240 DL Starts runs briefly then dies

your injectors arnt opening make sure that your white relay is good check grounds clean off the battery post. whats happening is your cold start injector is spraying a little fuel in to get it going and it is running off of that.

Posted on Dec 21, 2009

  • 1 Answer

SOURCE: passat 96 tdi , only runs for 2-3 seconds

i have 2 keys for my passat.with 1 key the engine runs perfect and with the other key the engine runs 2-3 seconds

Posted on Feb 22, 2010

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2 Answers

Do I have a bad fuel pump


Not symptoms of a pump. Sounds more like a bad idle air control valve. run some fuel system cleaned in it and run a full tank of gas to see if it changes.

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No the missing O2 sensors would not keep it from running. The missing exhaust pipes might not help matters. No exhaust system would cause a lack of back pressure.
I would want to know what base fuel pressure is with a gauge before and after cranking. Your thought about bad gas is legit, today's gasoline is only good for about 2 or 3 months before it starts gelling up.
Did you replace the inline filter the last time you put the new pump in ? And are you sure the pump is getting power after the key is released?

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signs of a bad fuel pressure regulator. the vehicle runs rough, the engine will not start usually in the mornings. many times engine starts but stalls shortly after starting. a bad regulator can result in fouled plugs. black soot on plugs, blake smoke from tailpipe, running rough, stalling. you could have residue in fuel tank and need to change fuel filter again. have a very good day !!

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I just put a new 4.3L vortec engine in my 1997 chevy c1500 w/t, it has sat for about 4 months and now it will not start unless i dump gasoline into the throttle body. help please?


CAn you hear the fuel pump come on when you turn the key to the on position before cranking it?
It should run for 3 seconds then turn off. It will sond like an insect buzzing in your tank. That would be the first thing to check. If it is not running you will not get fuel to the engine. There is a fuel pump fuse in the panel that I would look at if no sound from the pump. There is also a fuel pump relay usually on the firewall up near the brake booster that you can check if the fuse is good. It will make a click sound when it shuts off after the 3 second mark. If all of the above passes, check for power at the relay with a test light and hope it is not the pump. The fuel tank has to be dropped to change out the pump. I get them from Ebay for 20 bucks and they have worked great.
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My buddy has a 89 pontiac sunfire. It sat for a while and he just started driving it, let the gas run out and put new in and then it stopped running. Today we sprayed starter fluid into the throttle and it...


You could have a bad pump motor in your fuel pump. You will hear the "hum" of the pump motor but it won't continuously feed enough pressue to the system.
When you prime it the engine will draw enough to run for a bit then quit. They usually dry out if not kept full and sunfire fuel pumps are noted for this type of failure.
Try a used one for about 75 bucks. My kids Sunfire did exactly the same thing.

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