Question about 1991 Subaru Legacy

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91 Subaru will not start

It is getting spark... compression is at 60-90 pounds...timing marks seem line up at spark and at top compression..

does not seem to be getting gas ... how do I check to see if the injectors are working?

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  • raynbarb Jan 16, 2009

    The compression gage was not seated. It is 150-160 psi. It also seems to be getting gas but the spark seems to be radical but strong. It sparks two or three times between compression spikes and rotation of timing mark on cam shaft pully.

    could it be the ECM? how do you test the ECM? crank shaft senser?
    cam shaft senser?

  • raynbarb Jan 16, 2009

    by radical I mean that there is spark 2-3 times in one rotation of the timing mark.

  • raynbarb Jan 16, 2009

    the #1 spark plug fires 2-3 times per revelution of timing mark mark on timing chain pully. How can I tell if the ECM module is working right?

  • brycefieldin Apr 09, 2009

    the belt is on like the book says but will not fire has spark but we did notice the crank sensor wheel has cutaway marks like it has been scraping on something and had cut about half the sensor marker off from the side

  • yadayada
    yadayada May 11, 2010

    next thing to check is the fuel pressure.

  • yadayada
    yadayada May 11, 2010

    What does radical but strong mean??

  • yadayada
    yadayada May 11, 2010

    compression 60-90 PSI? something is very wrong there.



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Hi there have you tried sitting in car with doors shut turn ign on & listen for fuel pump priming up you will hear a buzzing noise for 5 secs then stops if you don't you will need to check wiring to see if there is power going to fuel pump & check earth wire might be black if you are getting power to these wires then its possible its the fuel pump if not you will need to inv it further (try fuses first).

Posted on Jan 15, 2009


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