Question about Subaru Forester

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My 1998 subaru forester emits trouble codes PO261 and PO270 could fixya please send me a probable cause or solution.

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Hi,

The fault codes are the following:

P0261 - Low input signal to #1 injector.
P0270 - Low input signal to #4 injector.

It would seem you have got a problem in this area so go through this procedures first.
1. Check output signal from ECM
2. Check that the main connector to the ECM is fitted properly.
3. Check harness between fuel injectors and the main ECM
4. Check the resistance of each fuel injector.
5.Check Voltage going to the injector when the ignition is on.

Thanks

Jason

Posted on Jul 07, 2010

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