1992 Mazda B2200 engine hesitates and makes truck shake

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1992 MAZDA B2200
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 142,000 MILES
1992 Mazda B2200 mileage: 142,000. It has been missing (I think, the engine hesitates, and actually makes the truck shake) in forth and fifth gears, especially in the morning and going up hill. If I let off of the gas, or down shift, it helps but still struggles to get up hills. It is only really noticeable on the freeway. I just replaced oil and filter, air filter, plugs, wires, dist. Cap and rotor button. I am still having this problem. It doesn't seem to happen in gears one through three (or is not that noticeable). Any ideas?
Wednesday, December 1st, 2010 AT 7:01 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
Two tests should be performed. A compression test and a cylinder leak-down test. Depending upon the results of each test, you will probably find a blown head gasket, a burnt exhaust valve, or broken piston rings. If you find any of the above, and due to the 142,000 miles on the engine, you may want to consider overhauling the engine.
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Wednesday, December 1st, 2010 AT 7:09 PM

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