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1986 Ford Ranger power

Tiny
KELLYDALE
  • MEMBER
  • 1986 FORD RANGER
  • 4 CYL
  • 2WD
  • MANUAL
  • 150,000 MILES
My truck was ran on 3 cylinders for about 3 miles and ever since it will not run properly. We have chaned the wires and plugs, rotor and cap, oil and filter, air cleaner, the o rings on the fuel injectors and cleaned the injectors, timed and retimed it. We have done everything short of taking off the head, could it be a valve? Or any other sugestions. It was running fine before and now it keeps sputtering like its out of time and has no power.
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Tuesday, March 4th, 2008 AT 1:25 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
You need to compression check this engine. This will tell you if it's a mechanical problem, like burnt valves, or rings. Also put the #1 cylinder on TDC of compression stroke, see if the pointer on the crank pulley lines up with 0? If not your timing belt jumped a tooth or two.
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Tuesday, March 4th, 2008 AT 1:48 PM

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