Question about 2000 Mitsubishi Montero

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Low fuel pressure only rev to 2500-3000 scan tool says low fuel pressure mitsy airtrek 2001

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  • Max Oxborrow
    Max Oxborrow Nov 21, 2009

    I pulled out the GDI filter and blew it out with compressed air that seems to have fixed it


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Check fuel pump or fuel line might be clog

Posted on Nov 19, 2009

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Mitsi pajero 2.8d 2001 turns over for ages before starting and revs for a while and then sometimes cuts out ?

Sounds like fuel pump seals. Remove your fuel filter and have a look see if its black.
I have one so try looking on pocuk. pajero owners club uk great place for advice as we all have these trucks and need help every once in a while.

Hope this helps.
Also I run my truck with 250ml of two stroke oil in £50 worth of diesel helps the injectors to work better ;-)

Sep 26, 2016 | 2001 Mitsubishi Pajero

1 Answer

I have a 2003 ford ranger 4x4 4.0 that will not rev over 2500 then starts sputtering and popping. What is up?

Mass air flow sensor maybe the problem , low fuel pressure could be a cause , plugged catalytic converter , All of these can be tested if you own the proper tools ! Scan tool ! Your best bet would be to have it diagnosed at a qualified repair shop .

Aug 07, 2016 | Ford Cars & Trucks

1 Answer

The engine runs very lumpy at low revs but clears above 2500 revs can anyone help?

Start with scan. Sounds like fuel filter or pressure regulator. Check vacuum and throttle body. O2 sensor,

Oct 28, 2015 | 2001 Audi TT

2 Answers

I have a 2001 ford crown vic 4.6 I have a crank no start and scan tool not working on this one

You will need spark, fuel and correct timing. Check the inertia switch in the trunk first. turn off then back on. Take off the plastic engine cover, turn on the key, depress fuel rail schrader valve and fuel should come out WARNING: fuel is possibly at almost 50 psi! If fuel is there, you have fuel. Pressure could be low, but not likely. Does it start now? if no, remove a spark plug coil, put an old correctly gapped plug in it and ground the plug (near the threads). Is there spark? if no, ignition issue, if yes, does it start? If no, reset computer by removing negative battery cable from battery for 3 minutes. Put back on. Does it start? You just have to keep troubleshooting until you have fuel and spark present. It is a remote possibility if you have these 2 things that timing could be off from a timing chain failure. Take #1 plug out *farthest plug forward. Does engine build full compression when the harmonic balancer indicator reaches zero? If yes, it should be running. Other possibilities; Fuel contaminated. Low fuel pressure. Bad or clogged injectors. Bad coils. These are less likely. Good luck to you!

Jun 08, 2015 | 2001 Ford Crown Victoria

2 Answers

Got 1999mazda 1.3 hesitent on revs

  1. bad fuel
  2. bad tps.
  3. air leaks, if engine is MAF based. too lazy to look, now.
  4. clogged injectors
  5. low fuel pressures.
  6. about 25 more things, non do i guess, ever.
  7. bad spark plugs and friends, skipping 60,k mile tuneups? bad boy.
  8. battery discharging causing EFI to go nuts?
check fuses,
check the check engine light , glowing running?
scan it al 1999 here are obd2 cars, and all scan tools here work (USA) this year. so scan it. and see all those errors. post them.
list in not ordered, tune up is first.

Jun 25, 2014 | Mazda 323 Cars & Trucks

1 Answer

Have 97 geo wants to cutout and die in gear no power idles fine and rev up fine

nice posted symptoms.
all suzuki engines use 1 of 2 ways to measure air flow in to the engine.
3 engines used, 1.0L , 1.3L and 1.3L 16v , each have a different EFI system.
no matter, as scan tool will show you if the air flow reading are wrong.
the first low power, check is fuel pressure, if not at spec, say at 10psi (low)
then there will be no power.
if the engine you have has a MAF sensor and is dead, that will cause
limphome and low power.
the first check is, keyon, check engine light, is it on ?
if lamp glows key on, but does not go out running , then the ECU
has stored, errors. in the memory, DTC memory, you need a scan tool
to find this error. they cost $50 or have a shop scan it .

Apr 11, 2013 | 1997 Geo Metro

3 Answers

4g93 gdi engine starts wont rev above 3000 rpm-starts misfiring cuts off as i mash the x sounds like starving for air scan tool once said fuel rail sensor swapped - air flow sensor, fuel pump & fuel...

Hey have you tried disconnecting and re connecting the battery? my mitsi carisma startd doing that so i rang up dealer and aparently they do it when the computer thinks there is something wrong with the engine, so it enters slow mode (or turtle mode or something) so that minimal damage is done while you drive it slowly to yr mechanic. Could be complettly wrong tho. Good luck.

Nov 03, 2010 | 2002 Mitsubishi Lancer

1 Answer

2001 Buick Park Avenue starts hard when warm. Runs good. Code says lean fuel (0171) and P0452 Evap. Emissions Pressure Sensor low.

Check the fuel pressure regulator on the fuel rail.It has a vacuum line going into it.Remove the line and if fuel comes out the regulator is bad.Replace it.This will cause a hard start when warm.The pressure sensor for the Evap.system is on top of the fuel tank.The po171 could be the fuel filter or o2 sensor.You need a scan tool to monitor the o2 readings to see if they are working properly.

Dec 01, 2009 | 2001 Buick Park Avenue

1 Answer

Codes 2001 f350 7.3

Code p1280 is a low or high fuel pressure code. To check that,you need to first check the icp sensor connector drivers side cylinder head front. The sensor is located between the valve cover and the block. Try wiggling the connector while the truck is running to see if there is a change in the running of the engine such as stumbling.

Code p1211 means the ICP pressure is above or below specs meaing there is a high pressure oil concern. You need to monitor the ICP with a scan tool and see which it is. If its high then its most likely a faulty IPR valve. If its low then its most likely a internal leak at the pump or stand pipes.

Code p1139 is for a Water in Fuel Indicator Circuit Malfunction. I would check the wiring on this sensor, and if no issues come from wiring, replace this indicator sensor.

Oct 17, 2009 | 2001 Ford F350 Super Duty SuperCab

1 Answer

My low fuel light came on the same time as the check engine light.

this cars have a pressure sensor that comes on when the fuel cap is loose, get a scan tool to check for other problems.

Jul 09, 2009 | 2001 Mazda MPV

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