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Join Date: Jan 2012
Posts: 1
1983 928

Have a problem, with fuel injection, has anybody had a problem with the injectors not grounding, have power , ck pcm grns, have tach ,secondary ignition , cd box seems to be working, sec fire. could grn, circuit in computer be bad. HELP BOFAST

Old 01-23-2012, 12:23 PM
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I would check your fuel injection relay. I don't recall if theres a fuel injection fuse but I think there is. It's in the relay box under the passengers floor board. If your injectors are getting power to them when you test them, they may be clogged as many people on here have had similar problems. Is your car equipped with a factory alarm?
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Last edited by 924CarreraGTP; 01-23-2012 at 12:40 PM..
Old 01-23-2012, 12:33 PM
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I remember when I was working on the passenger side of my engine. I had to remove the Diverter Valve to gain access. I forgot to put the bolts back in which were the Injection grounds on that side. I remember it starting and cutting and generally running real bad. Once I figured out my wrong and re-grounded the wires, it ran like a champ. The lesson here is that unless you've gone through "all" your grounding points and thoroughly cleaned them, your just chasing your tail.

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Old 01-23-2012, 01:13 PM
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