Question about 1985 Nissan 300ZX

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Runs good for about 45 seconds then quits running starts right up again runs another 45 seconds then quits again

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  • Nissan Master
  • 14,585 Answers

I have a altima that did this, turned out to be the fuel pump. But I would replace the fuel filter first and see if it solves your problem. Filters clog up, they will give the pressure to start , but wont give the flow and pressure to keep up.

Posted on May 18, 2011

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Posted on Jan 02, 2017

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1 Answer

2000 Mercury Mountaineer with 4.0L,going down hi way quit running, tries to start but o only runs for 2 seconds,then dies again,replaced can sensor didn't do any good! Please help


You're going to have to run some diagnostics on it. Check for good spark, fuel delivery,etc. Can u hear the fuel pump? Sometimes they work but may not be strong. Check pressure with fuel pressure gauge. Fuel filter?

Sep 14, 2014 | Cars & Trucks

1 Answer

2003 gmc yukon xl


Sorry to get your hopes up but I have a similar problem with my 2005 Yukon Denali. How long does the truck stay running before it shuts down? Mine started out with short spurts of the truck shutting down while driving. It slowly progressed to the point where it will only run for about 45 seconds. Originally the truck would sputter the gauges would die and then the truck would die. It slowly progressed to the point where it only runs for 45 seconds and there is no signs before hand. Does any of this happen to your vehicle? I have checked all of my cables and the main ground wires. Along with changing a few of the relays. Nothing has helped. My problem started with an electrical component heating up and quitting. Now it doesn't matter how hot it is in only runs for a couple seconds.

Jul 07, 2014 | 2003 GMC Yukon XL

1 Answer

Truck will start and then stops just started acting up


Found on a '92 Toyota pickup w/V6, a bad/intermittent fuel pump relay.
Had fuel rail pressure so fooled us initially, found by listening to pump run then quit, cycle key and pump would run again then quit, sometimes when trying to start, motor would start and run for a few seconds then quit, or not start at all, this created by intermittent relay operation. Need two people, one at passenger side by tank and other to work ignition switch.
Relay located behind right, passenger kick panel, dealer item I believe about $28.00.
Just another possibility.

Mar 12, 2014 | 1992 Toyota Pickup

2 Answers

Car starts right up but 2 seconds dies, u can start it right up again & it dies again, won't run. has good spark & fuel pressure good when dies


You are on the right track by finding the injector pulse missing.
The computer grounds the injectors based on signals from the cam and crank sensors. You may have to use a scanner to check for trouble codes in the computer and watch the sensors work.
The problem could also be a relay or the key switch.

Dec 10, 2012 | Cars & Trucks

1 Answer

I have a 1998 jeep wrangler sport and it is having starting problems. i usually have to crank, release, then crank again to get it to start. it always ends up starting, but it takes a few tries. it occurs...


You can mount a fuel pressure guage to the engine fuel rail at its bicycle valve bleeder, with tof see if it has pressure when you first turn on the key to start. You may be able to hear the fuel pump running by listening at the fuel tank fill cap that you would remove for that moment. By turning on ignition to start, not run, you are energizing the fuel pump to bring up pressure that should happen in several seconds. So, check if it gets to normal fuel starting pressure, maybe 45 to 60 psi. Then turn key all the way to run, to get car engine running and watch the fuel pressure to see if it stays pretty constant at that 45 to 60 psi. Turn engine off, and watch how long it takes for fuel pressure to drop, and it should not happen fast but instead over 15 minutes or more. That might indicate your fuel regulator valve isn;t working right.
Is it possible your starting system is the culprit, say some battery cable loose that may make starting hard or eventually quit until you tighten these cable ends at battery and starter.

Aug 03, 2017 | 1998 Jeep Wrangler

3 Answers

01 ford explorer sport won't stay running. turns over fine and starts but quits right away


Check for vacuum leak at intake manifold or bad fuel pump relay or have fuel pressure checked to see if fuel pump is working properly 40-45 psi it should be pumping

Dec 18, 2011 | 2001 Ford Explorer Sport

2 Answers

Hard to start after it sits u have to keep cranking for at least 30 t0 45 sec


When you turn on the key the fuel pump relay causes the pump to run for one second to bring the fuel manifold presure up. If the vehicle has 'sat' for a long time, this one second is not long enough and so the engine is struggling to get enough fuel to fire. Try turning the key on and off every couple of seconds for about a minute, then turn the key to the start position. The engine should now start. Do not touch any controls such as the throttle, the computer will take care of all this.

Mar 17, 2010 | 2001 GMC Jimmy

2 Answers

Starts then bogs down and quits running


Check and change the fuel pump relay...the one in the black box inside the engine compartment....hope this will help

Jul 07, 2009 | 1998 Isuzu Rodeo

1 Answer

No spark


What about battery and alternator (serpentine belt).

Dec 05, 2008 | 1992 Mazda MX-3

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