Question about 1988 Ford Ranger

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1988 Ford Ranger Fuel Injected 2.9L V-6 4x4 Stick shift It turns over but won't start, it has spark and fuel and the exhaust is not plugged, i replaced the O2 sensor and a control module on the back of the distributor also plugs,wires,fuel filter,fuel pump, air cleaner cap and rotor, Before it wouldn't start i would be driving at hwy speeds and the temp would go up slightly but not over heat and have a loss of power, i pull over shut it off and restart it would be fine, Any ideas? Please

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  • cornfed_one May 07, 2011

    I have checked compression on all the cylinders and all seem to be where they should be according to Chilton and are above 90 with no bleed off, I also checked the fuel pressure and it is where it should be, i have now checked all the fuses, and replaced all the relays, changed the oil and found no shavings, and replaced the battery with an optima. and also changed the starter relay switch, and had all the valves adjusted and they were actually where they should have been as well needing very little adjustment. any other ideas?

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  • Ford Master
  • 14,585 Answers

Check the compression? You replaced all the items to make it run. remove the air filter and check? If compression is below 90 then bad rings or valves. Check the fuel pressure. to see if you have bad rings with low compresion spray oil in cylinders, if pressure goes up it's the rings. If nto it's the valves.Try these and let me know.
Randy

Posted on Nov 10, 2010

  • Marktate Nov 23, 2010

    I have a 1988 Ranger that had the same problem. Prior to it not turning over at all, I would be driving and it would cut out then I would compression start it. Then one morning it would turn over but not start. I'm NOT a mechanic. After spending about $200 my mechanic said I had a faulty starter switch. He replaced it and I've had no problems since then.

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There could be many things that can cause what your stating. Look at everything under the hood. I have an 1988 ranger 2.4, 2 wheel. It is pretty basic and simple to work on, parts are cheap enough too. Start with examining the spark plug wires, cap, rotor, spark plugs. Spark plug could be loose, wires could be arcing or buildup on rotor/cap. My truck has over 200,000 miles and is somehow holding in there. If you haven't done any basic maintanance it might need it. The last thing is fuel pump/filter, but you stated the car did try to run. When you turn the key on you should hear the fuel pump cycle. If you just turn the ignition to on but NOT start (for 3 seconds) then to off then to on and start will it run better than not doing that procedure?

And lastly my ranger has a touchy fuel cut off switch (left foot of the passenger under the rug at firewall). Push the button on top to reset and give the wires alittle tug (not too hard!).

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