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1990 Ford Ranger vibration in engine

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1990 FORD RANGER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 83,000 MILES
1990 Ford Ranger 2X4 mileage: 83,000. At 25-2800 rpm, I get a vibration in the engine regardless if it is in gear or not. I have checked the harmonic balancer by setting it at TDC and checking the distributor to see if it is pointing at the No. 1 plug. It’s okay. The balancer shows no signs of wobble, slippage or deteriorated rubber. I have removed the belts to check the power steering, alternator, water pump and fan. I have checked for parts rubbing and I have tightened the pressure plate bolts. What’s left?

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Wednesday, February 2nd, 2011 AT 6:59 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,542 POSTS
If a major tune-up has not been done recently, this could be the cause of your problem. Replace the spark plugs, plug wires, fuel and air filters, etc. Also, replace the oxygen sensor. In addition, service the fuel injection system. Clean the carbon deposits from the throttle bore and idle passages.
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Wednesday, February 2nd, 2011 AT 7:00 PM

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