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1998 Ford Escort Trouble Code P0302

Tiny
WINDOWTRUCKER
  • MEMBER
  • 1998 FORD ESCORT
  • 4 CYL
  • 2WD
  • MANUAL
  • 99,315 MILES
Code says cylinder 2 misfire. Changed plug wires. Still same after I cleared the code. Now moving on to coil. What else can I do or look for?
Saturday, March 14th, 2009 AT 2:15 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Misfire at no.2 cylinder should prompt you to check the sparkplug/compression/injector for that cyl.

Misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
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Saturday, March 14th, 2009 AT 5:56 PM
Tiny
FORDTECH1966
  • MEMBER
  • 3 POSTS
The ford escort has a common problem of dropping the valve seat out of the head. A simple compression check will give you the answer.
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Saturday, March 14th, 2009 AT 6:13 PM

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