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Misfire on Cylinder 4 causing the car to stall and stumble

Tiny
CADDIA
  • MEMBER
  • 2000 VOLKSWAGEN BEETLE
  • 2.0L
  • 4 CYL
  • FWD
  • MANUAL
My car has a misfire on the 4th cylinder, I've already change the ignition coil, the Mass air flow sensor and the spark plug on the 4th cylinder, The problem is still there. Please Help me
Friday, June 27th, 2014 AT 9:07 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Are there any other codes associated with the cylinder 4 misfire?
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Saturday, June 28th, 2014 AT 6:52 PM
Tiny
CADDIA
  • MEMBER
  • 2 POSTS
There were two codes

P0175

P0304
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Saturday, June 28th, 2014 AT 7:11 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
The 175 tells me the engine is getting too much gas. The 304 is the misfire code. Tell me, if you remove the #4 spark plug, is it wet with fuel? Have you checked fuel pump pressure? Have you checked the injector to see if it is sticking?
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Monday, June 30th, 2014 AT 9:03 PM

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