2006 Mazda 5 misfire #1

Tiny
UPI
  • MEMBER
  • 2006 MAZDA 5
  • 4 CYL
  • 2WD
  • MANUAL
  • 120,000 MILES
My car started to run rough, took it to auto store and they hooked it up to scan for codes. They said misfire in #1. I have checked the plugs, the ignition coil and the fuel injector all good. What else could be the problem? This one is driving me crazy, help will be greatly appreciated.
Sunday, September 19th, 2010 AT 5:09 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
P0301 Misfire at no.1 cyl-Check the compression for no.1 cylinder-you did the plug and injector on it and checked out-
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Sunday, September 19th, 2010 AT 5:14 AM
Tiny
UPI
  • MEMBER
  • 2 POSTS
Thanks for the advice, just did a compression test all were 75 psi exept for the #1 zero psi. Checked the coolant and it looks clean, oil looks clean too.
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Sunday, September 19th, 2010 AT 11:30 AM

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