Question about 1989 Isuzu Trooper

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Not getting fuel through the system - 1989 Isuzu Trooper

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Is the fuel pump operating? If the fuel pump is operating then change the fuel filter. If the fuel pump is not working, then check the relay. Hope this helped.

Posted on Jul 16, 2009

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Posted on Jan 02, 2017

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1 Answer

Cranks over gets fuel but no spark


Crank over eliminates a dead battery, switch, starter, etc.

How do you know it gets fuel? It is clearly the air/fuel mixture and ignition system that is failing. If those work but it died or stalled it would be a fuel system issue, such as bad MAP sensor, etc.

Fuel injection or not? Fuel injector do get dirty, I use Gumouts Complete Fuel System Cleaner to clean the whole fuel pathway but it may be too late for that this time. Anyhow, they need cleaning and they still use spark plugs to light the gas and those will get corroded over time but can easily be brushed clean. I've never had to clean my fuel injectors, try YouTube for those instructions.

Apr 16, 2015 | Cars & Trucks

1 Answer

After getting fuel my2005 Nissan murano tries to die won't get up to road speed


Did you let the fuel nearly run out, or run out completely?

When the fuel level is very low, the sediment is drawn into the fuel sock at the fuel pump inside the fuel tank, clogging it, then clogging the fuel filter, and possibly the injectors can be damaged.

You didn't put diesel fuel into it, and you did use the correct grade of fuel. Just asking?

You may consider installing a new fuel filter. Before installing it, fill it with fuel injector cleaner-to give the system a good cleaning. This may help to clean up some of the problem.

More information always helps. Mileage, recent repairs, how it has been performing prior to any problems, etc.

If it's not tied to the fuel system or the fuel just installed, check the catalytic converter and exhaust system.

Good luck!

Mar 14, 2015 | 2005 Nissan Murano

1 Answer

What is Pc171 Code


It's P0171 & P0174 not Pc 171 & Pc174 ! The engine computer has detected a lean condition ! That mean's it's not getting enough fuel or has a vacuum leak , bad O2 sensor ! fuel pump getting weak . fuel pressure regulator weak !
P0171 - System to Lean (Bank 1) The Adaptive Fuel Strategy continuously monitors fuel delivery hardware. The test fails when the adaptive fuel tables reach a rich calibrated limit. Refer to Section 1 , Powertrain Control Software, Fuel Trim for more information. Air Measurement System
  • MAF sensor (contaminated, damaged, malfunctioning, etc.)
Fuel System
  • Fuel pressure regulator (leaking, malfunctioning, etc.).
  • Fuel filter plugged, dirty.
  • Fuel pump (weak, check valve leaking, etc.).
  • Leaking/contaminated fuel injectors.
  • Low fuel pressure or running out of fuel.
  • EVAP canister purge valve leaking (when canister is "clean").
  • Fuel supply line restricted.
  • Fuel rail pressure sensor (incorrect reading).
Air Induction System
  • Air leaks after the MAF.
  • Vacuum Leaks.
  • PCV system (leak, valve stuck open, etc.)
  • Improperly seated engine oil dipstick.
Exhaust System
  • Exhaust leaks before or near the HO2Ss (exhaust manifold gasket, mating gaskets, etc.).
EGR System
  • EGR valve tube/gasket leak
  • EVR solenoid vacuum leak
Secondary Air Injection
  • Damaged/malfunctioning secondary air injection system (mechanically stuck valve).
  • P0174 - System to Lean (Bank 2) The Adaptive Fuel Strategy continuously monitors the fuel delivery hardware. The test fails when the adaptive fuel tables reach a rich calibrated limit. Refer to Section 1 , Powertrain Control Software, Fuel Trim for more information. See Possible Causes for DTC P0171. See Diagnostic Aides for DTC P0171
View Freeze Frame Data to determine operating conditions when DTC was set. Observe LONGFT1 and 2 PID(s). Refer to Section 2 , Adaptive Fuel DTCs Diagnostic Techniques for more information.

Feb 12, 2015 | 2002 Ford Escape

2 Answers

No fuel getting Ito spark plugs


If no fuel is getting to the plugs the inyection system is not working. Check for spark in one spark plug. If you don't have spark that is the reason why the injection is not working. When there is no spark, the ECM or injection computer won't work because it needs a signal from the coil, as s proof of spark..

Nov 14, 2013 | Volvo V40 Cars & Trucks

1 Answer

Not getting fuel to the engine on my 2001 chevy blazer


you must be getting fuel, remove fuel line @ engine, have someone crank the engine, then you'll know, NO SMOKING ! if no fuel, check fuel pump relay ! check all fuses . pump should hum for only 2 seconds, when key is turned to ON position. to prime the system. always check all ground wires to fuel system. important ! good luck

Mar 06, 2013 | 2001 Chevrolet Blazer

1 Answer

My 1997 GMC Sierra 5.0 Litter wont start and i changed the fuel pump regulator, what might be the problem?


engines need 3 things to start (petrol engine)
fuel, air and a spark,
as you have been working on your fuel system it is best to suspect this system first,
on engine turn over see if you can smell fuel at the exhaust.
if you smell fuel the fuel regulation mybe too high and the engine is flooding.
if you do not smell fuel, remove fuel line from engine and ensure fuel is getting to the engine,
(be careful not to let fuel spill this generates a fire risk)..
once fuel is getting to the engine, check your ignition system to ensure you have a good spark to ignite the fuel.
finally check your air filter is not blocked and that you have air getting to the engine.

I hope this was helpful.

Jan 11, 2011 | 1997 GMC Sierra

1 Answer

Fuel pump wont engage


check all of the fuel system related fuses and make sure none of them are blown. also check all fuel system related relays and make sure they are working properly. if that wasnt the problem could be with the fuel pump or the anti theft system. if its the fuel pump make sure it is getting power and a signal. if its getting power and a signal the fuel pump may need replaced.

Jul 30, 2009 | 1992 BMW 3 Series

2 Answers

94 dodge grand caravan no fuel in fuel rail


Dear Ron, you have replaced fuel pump and fuel filter. You have checked the fuel pump relay. Still no fuel in rail. Try bypassing fuel relay with jumper from batt to fuel pump. If o/k then check computer for ground to relay. This system uses a relay that is operated by the computer that supplies a ground for the relay to operate. The wire color is green,16 gage. If the ground is not available then "no fuel" Check this with a test light. Key on and crank apply test light to ground wire and other end of light to ground. You should hear relay click and get fuel. If this checks out you will need to replace computer or get creative with rewiring the relay so it works without computer input. Good luck Moe

Apr 24, 2009 | 1994 Dodge Grand Caravan

3 Answers

Deisal out of gas wont start


The fuel system has a bleeder located on the engine, located near the passenger side front of the engine. Open the bleeder, turn the engine over until you can see fuel come out on the ground near the front of the engine. Close the bleeder, attempt to restart the engine. It may take a couple of tries, but it should start after five or six attempts. Do not run the starter for more than twenty seconds per attempt, with at least one minute between attempts.

Nov 12, 2008 | 1987 Ford F 250

2 Answers

Car ran out of gas, put in a few gallons. enough to make the needle read 1/4 tank. car still wouldn't start. changed filter but the car still won't start


Hi, you should run a fuel presure test ,fuel pumps can get bad when they run dry afther runing out off gas ,Good Luck..

Aug 24, 2008 | 1994 Pontiac Grand Am

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