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1997 Escort low idle knock and skipping after head gasket

Tiny
FEATHERCRAFTER
  • MEMBER
  • 1997 FORD ESCORT
1997 Escort, 62000 miles, 2.0 SOHC. Car was running great despite the need for a head gasket. Now, after the repair, (including timing belt, etc.) Plus, (had the head filled and shaved), The engine top end now has a low knock and the exhaust "pops" in exactly the same time with the knock. It now vibrates below 1000rpm. My guesses include a bent valve, timing belt installed wrong, or wrong spark plug hitting the piston and fouling. I know, I need to pull the plugs, but anyone have any thoughts? Thanks.
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Monday, October 15th, 2007 AT 7:03 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Check the spark plugs as you mentioned and make sure their not hitting the piston. But my second guess is probably the timing belt the crank and cam are misaligned causing the valves not to open and close properly dont fun untill you look into this
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Monday, October 15th, 2007 AT 8:32 PM

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