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1993 Ford Ranger EGR valve question

Tiny
FISHINDINO
  • MEMBER
  • 1993 FORD RANGER
  • 4 CYL
  • 2WD
  • MANUAL
  • 89,000 MILES
The number 3 cylinder is not functioning. It is a California emissions vehicle. Would a faulty EGR valve cause this? It would work some then quit, now it will not work at all.
Friday, March 13th, 2009 AT 6:49 AM

8 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The number 3 cylinder is not functioning

What do you meant by this-is it firing or what? I don't think the EGR valve will cause a cylinder not to function properly
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Friday, March 13th, 2009 AT 6:55 AM
Tiny
FISHINDINO
  • MEMBER
  • 5 POSTS
It is not firing.
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Friday, March 13th, 2009 AT 7:34 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If there's no spark-check the plugwire or swap for a working one and see what happens
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Friday, March 13th, 2009 AT 7:41 AM
Tiny
FISHINDINO
  • MEMBER
  • 5 POSTS
I already changed plugs and wires. I also replaced both coil packs, no change.
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Friday, March 13th, 2009 AT 8:55 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the crankshaft positioning sensor in right front of engine bay.


https://www.2carpros.com/forum/automotive_pictures/12900_cps1_8.jpg

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Friday, March 13th, 2009 AT 9:19 AM
Tiny
FISHINDINO
  • MEMBER
  • 5 POSTS
I will check it out, and let you know. Thanks
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Friday, March 13th, 2009 AT 9:51 AM
Tiny
FISHINDINO
  • MEMBER
  • 5 POSTS
I was misinformed, it is firing, just no compression on the number 3 cylinder.
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Friday, March 13th, 2009 AT 10:21 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
No compression on no.3 could be valves/rings/cyl wear
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Friday, March 13th, 2009 AT 5:35 PM

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