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Focus not firing on all cylinders

Tiny
SKYLINEMASTER
  • MEMBER
  • 2003 FORD FOCUS
  • 4 CYL
  • FWD
  • MANUAL
  • 85,000 MILES
Ford focus 1.4 zetec se not firing on 2 middle cylinders I have replaced leads plugs and coilpacks with no luck. Any suggestions.
Sunday, November 14th, 2010 AT 5:12 PM

2 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Take a compression test and test for injector pulse on those injectors. If it passes both of those tests, then you may have a couple bad injectors but I suspect compression.
Make sure you actually have spark on those cylinders with a spark tester first.
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Sunday, November 14th, 2010 AT 5:33 PM
Tiny
SKYLINEMASTER
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  • 2 POSTS
The injectors are fine as you can smell the fuel. It's that there is no spark from the back 2 on the coilpack. But it's brand new and the old one did the same! I didn't know if it could be ecu alternator or loom?
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Sunday, November 14th, 2010 AT 5:58 PM

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