Misfire

1990 MAZDA B2600
180,000 MILES • 2.6L • 4 CYL • 4WD • MANUAL
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CARPROKID
  • MEMBER
  • 1 POST
Engine misses when driving, has plenty of power and otherwise runs smooth. I have replaced fuel pump, filter, ignition switch, plugs, wires, rotor and distributor cap along with the coil. have added heet to gas thinking it might have water in it.
Feb 13, 2019 at 6:50 PM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning,

Did you check the compression?

https://www.2carpros.com/articles/how-to-test-engine-compression

Due to the age, I would also inspect the valve train to be sure nothing is worn out.

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

Roy
Feb 14, 2019 at 3:35 AM
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