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2000 Volvo wagon keeps dying and engine rev on and off

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The following are the general instructions on the start of diagnosing any electronically controlled engine or transmission problem.

The engine and the automatic transmission (transmission control is only for automatics, engine is still computer controlled no matter the transmission type) in this vehicle are computer controlled and in most cases when a fault occurs a fault code is stored in the memory of the computer control module. There are exception to this, such as the Mass Airflow Meter and fuel pressure problems. What must be done is to have all the basic testing done such as a scan of the system for fault codes as well as a check with a live data scanner tool for engine functions that are not within range of normal, a trained technician is required to know what is correct and what isn't, then based on careful diagnostics done from a factory repair manual the correct part is replaced or the wiring repaired or the computer replaced (known as the PCM or ECM,ECU), which is very rarely the problem. Other basic checks must be done as well such as mechanical problems with the engine as well as engine state of tune and mileage on the engine. The transmission can have mechanical issues as well such as no gear engagement at all or a failed pump or other pressure related problems. Also engine mechanical problems can and do cause many drive-ability related problem such as rough idle and other symptoms.

Posted on Dec 17, 2012

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SOURCE: Blinker not working;Engine dies not ideling properly

ck voltage from alt

Posted on Dec 17, 2008

  • 1 Answer

SOURCE: Volvo 940 GL 1995 Soft Turbo

First check for holes or disconnected air inlet hoses, that will give the sensor/meter a problem so it cannot send the correct signal.

Posted on Apr 04, 2009

pippall
  • 1486 Answers

SOURCE: 1987 Subaru GL wagon dies when I put the brakes on

Throtle idle valve needs to be changed.

Posted on Jul 18, 2009

  • 11 Answers

SOURCE: Volvo wont run

it sounds like your throttle positioning sensor unplug it see what happens if nothing changes there you go.

Posted on Dec 21, 2009

  • 2 Answers

SOURCE: my 1998 volvo s70 go died when idle at stop i

I'm having the same problem. At first I thought it was bad fuel so I replaced the fuel filter to no avail. Then I cleaned the Mass Air Flow sensor which also didn't work. Is your check engine light on?

Posted on Aug 13, 2010

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