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Old 07-11-2019, 11:36 AM   #1 (permalink)
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Hey guys I have a 94 tracker 16valve that has raw fuel in the exhaust and oil. I replaced number 1 injector and fuel pressure regulator. Also did new plugs cap rotor and oil change. Problem still exits and in not sure where to go next. Fuel mileage is terrible. Any suggestions would be a major help.
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Old 07-11-2019, 08:37 PM   #2 (permalink)
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Sounds as if you have a ground in the wiring going to the injector.
Pull the air cleaner and check to see if the injector is leaking fuel after you turn the ignition off.
It's a start anyway.

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Old 07-12-2019, 11:43 AM   #3 (permalink)
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Welcome to the forum. I suppose I might initially start with a compression test, as itís usually a good idea to verify engine timing before going further. And an inspection of the spark plugs would indicate if this is across all cylinders, or one thatís causing the problem. It would also be a good idea to check your fuel pressure - spec is 34-41 psi.
Was there some reason why out of the 4 injectors that you have, you replace #1?? And out of curiosity, is your check engine light on with the key on, and off once the engine starts?
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Old 07-12-2019, 04:50 PM   #4 (permalink)
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welcome to the forum
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Old 07-18-2019, 12:44 PM   #5 (permalink)
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I did a compression test which passed. I changed number 1 injector because with removal of plugs and cranking the engine that cylinder had the most vapor commimg out. That's also the cylinder which spark plug is most fouled. I know that I have spark. I just can't figure out why so much fuel would be coming out of the exhaust. A heavy smoke cloud when the engine revs. No check engine light. I tried to jump the harness to see if a code showed up but did not.
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Old 07-18-2019, 01:06 PM   #6 (permalink)
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Use a NOID light, or a LED test light and check for trigger on the injectors, if you have a grounded trigger line with the light in parallel the test light will not flicker, in series the light will be constantly lite...

DO NOT apply battery power to the injector circuit, costly damage may occur.

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Old 07-18-2019, 01:08 PM   #7 (permalink)
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Thank you phillip
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Old 07-18-2019, 02:11 PM   #8 (permalink)
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Quote:
Originally Posted by Jefflit87 View Post
Thank you phillip
You are welcome,

Philip..Please!. Uppercase P... only one l...

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Old 07-20-2019, 05:44 AM   #9 (permalink)
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And what does Ďcompression test passedí, actually mean? What was the compression??
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Old 07-20-2019, 10:43 AM   #10 (permalink)
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128 to 132 if I remember correctly
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