Question about 2003 Subaru Forester

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What happens if a subaru forester ignition coil fails

The coil is not providing spark and the fuel as well not supplying to the engine

Posted by aponapart on

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1 Answer

Bogdan Odwazny

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  • Subaru Master
  • 6,158 Answers

You have problem with coils or fuel filter,could be good time to replace.

Posted on Apr 03, 2013

  • 7 more comments 
  • aponapart Apr 04, 2013

    well thanks but the thing is the car is running and all of the sudden it shot off and cannot start again so i check for fuel not supplying to the engine and spark as well so i try to check the pump and its working perfectly only no power supply to the pump..This where i get confuse cuz i check every fuse that would cause that proble and everything is ok

  • Bogdan Odwazny
    Bogdan Odwazny Apr 04, 2013

    could be crankshaft sensor.

  • aponapart Apr 04, 2013

    how can i check if the crankshaft or camshaft sensor working or not?

  • aponapart Apr 04, 2013

    Is it posssible to use the multi tester to check it?

  • Bogdan Odwazny
    Bogdan Odwazny Apr 04, 2013

    Yes you should get some voltage 5V or something like that.

  • aponapart Apr 04, 2013

    is their any cite that can show me how todo that? cuz i never done that befor

  • aponapart Apr 04, 2013

    thanks for helping out

  • aponapart Apr 08, 2013

    ok i checked the cam and crankshaft sensor and its working ..........do you have any other ideas?

  • Bogdan Odwazny
    Bogdan Odwazny Apr 08, 2013

    check battery and connection,tune up,coils,fuel filter,

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1 Answer

My 01 Subaru forester 2.0 is misfiring and smells really rich. It happens at idle and is really bad under load and at lower revs. It gets better but doesn't go away when the car warms up.


Sounds like you need to replace the oxygen senors. They control the fuel and the timing. The sensors tell the computer weather the engine is to rich or to lean on fuel. I hope this helps you fix your problem.

Feb 16, 2015 | 2001 Subaru Forester

1 Answer

Coil issue


code p0301 and 302 refer to cylinder I and cylinder 2 misfire detected.--- causes--engine mechanical fault--wiring---ignition/ fuel system--injector--ECT/MAF sensor ---ECM I would have had a fuel pressure test done as miss fires from injectors not getting enough fuel would have been a better starting point
Run the fault codes again to see what else has happened.

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How often should the plug wires and cap be changed


You only need to change them if you are having problems such as miss firing engine etc.

Jan 19, 2012 | 2001 Subaru Forester

1 Answer

Car misfires after rain or snow


well i would start looking at a spark problem coils, wires try by spraying a mist of water over the wires and coils with the engine running you will soon find out if thats your problem you will see sparks jumping and or the engine will start missing.

Mar 18, 2010 | 2001 Subaru Forester

2 Answers

2000 subaru forester ignition coil wiring


Are there any other possible problems, or you are just not receiving spark at all now?

The coilpack could be dead and just need replaced. If you have a voltmeter or a test light, check the wiring on both sides of the coilpack harness to make sure it is receiving power.
I don't believe Subaru used ignitors past '99, but if they did, your should be located on the firewall behind the throttle body. Make sure it's plugged in and receiving power.

Coil packs do go bad from time to time. I had to replace mine in my
'98 Impreza a while back.

Goodluck!

Mar 15, 2010 | 2000 Subaru Forester

1 Answer

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probably a ignition problem,start the engine and spray water on the ignition coil and spark plug wires you should see some lighting bolts!

Aug 06, 2009 | 2000 Subaru Forester

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