Question about 1999 Mitsubishi Montero

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4M41 cant start

Pajero 4m41 cant start...
the Bosch KTS650 scanner show
3 fault code
exhaust gas recire valve malfucntion
pressure boost control valve malfunction
can comunication...
i got 3 pajero which meeting the same fault... which all cant start

pls email me ysc5200@gmail.com if u guys can help...
i think that is a command problem in 4M41

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: I can't find the engine number on the mitsubishi

Most montero*s have 3 ids,One is located right side of engine as looking under bonnet,another on underside of bonnet,another under o/s rear wheel arch which if still there confirms vin number.

Posted on Nov 08, 2009

  • 35 Answers

SOURCE: meaning of code 151 0n 4m41 engine

P0151 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1)
this could be a fluke code I would earse it and see if it comes back before putting the sensor in there not cheap. Bank 2 means witch side of the engine bank 1 is the side that #1 cylinder is on bank 2 is the other side sensor 1 means upstream above the catalytic converter on the engine side sensor 2 is below the catalytic converter

Posted on Mar 24, 2010

  • 1114 Answers

SOURCE: mitsubishi pajero3.2 d.I.d 4m41 reving up

Hello and sorry to hear your having this trouble.The best way to fix this problem is to have you vehicle scanned for engine fault and retrieve that data and properly repair the problem.The problem you having could be one of several switches so guessing would be waisting allot of time and money.

Posted on Dec 28, 2010

  • 109 Answers

SOURCE: my 4m41 engine suddenly have

so much vibration to a diesel engine signal's problem on fuel system. the system either be has air on fuel lines( fuel lines must be solid,no trapped air.) or a dirty filter.(it also necessary the system to be calibrated).

Posted on Mar 04, 2011

  • 2 Answers

SOURCE: the engine 4M41 is overheating heating on hills

check ur cooling fan at high engine rpm.

Posted on Oct 12, 2011

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I have a 2003 jetta TDI with 150,000 milea, within the last few weeks the engine sputter when it goes up hills, it looses power, and there is dark black exhaust comming from the tailpipe. Alan Hutchings


Your car goes in "limp mode"!!!
If you scan the EDC-15P engine control unit with a VAG or KTS -BOSCH diagnosis tool you will find this:
"Fault code: P1557 - Turbo Boost pressure control exceeded"
You must try follows if you are able to do this:
1. Engine stopped and ignition switch off. Check all pneumatic connections and hoses between turbocharger actuator = pressure unit for boost-pressure control, boost-pressure control solenoid valve, vacuum reservoir, EGR control solenoid valve, intake-manifold flap solenoid valve, EGR valve with throttle - part of intake manifold. Also the vacuum connection between tandem pump and brake booster. If you find something wrong replace parts. If not go to step 2.
2. Extract the hose of the turbocharger actuator = pressure unit for boost-pressure control part of turbocharger. Instead of the original hose you must place another 1 meter long hose with the same inside diameter, and then you check to inspire yourself the air from the other one extremity of this hose. The mechanical connecting rod of the turbocharger actuator must have a smooth and whole motion. If you can do that with your mouth, then you must replace the boost-pressure control solenoid valve. If you can not reach this with your mouth, then you go to step 3.
3. This is the most difficult work. The problem is that the soot particles deposits inside the turbocharger plugging the variable nozzle geometry mechanism = adjustable vanes of the turbine. If the turbocharger actuator is not able to adjust the turbine vanes the charge air pressure increase too much and ECU (engine control unit) go in "limp mode" = engine protection software. As a result the "limp mode" engine still running until you turn the engine off (ignition switch off) and back on when the "limp mode" is deactivated, but the fault ("Fault code: P1557 - Turbo Boost pressure control exceeded") still remain in ECU memory !!!
4. You must be able to extract the turbo from the engine and then to disassemble the turbocharger, clean inside adjustable vanes mechanism and refit all.
It is some work to do here, but after that you will be full satisfied! NO MORE "LIMP MODE"!!!

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