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Timing chain replacement now have misfire

  • Thread starter Thread starter Jwise916
  • Start date Start date Sep 26, 2019
J

Jwise916

New Member
Sep 26, 2019
1
0
1
Fair oaks California
Sep 26, 2019
#1
  • Sep 26, 2019
  • #1
Hey y’all kind of stumped here With my 2000 Ford Mustang gt 4.6l .
I have a cylinder 1 misfire code and running rich after changing out my timing chain set .
New coils and spark plugs also
Tried old coils and moving around coils still the same.
I locked down the cams so they did not rotate when taking off old tensioner and chains but is it still possible to be off timing?
Starts up and idles fine
Drives decent but can tell it has a miss with exhaust sounding different.
Any knowledge would be appreciated thank you!
 
S

Sluggie24

Active Member
Apr 8, 2017
135
22
28
Sep 27, 2019
#2
  • Sep 27, 2019
  • #2
If the cams didn't move and the chains were timed correctly I wouldn't think the misfire is due to the chains. Did you try a new spark plug?
 

wmburns

SN Certified Technician
Aug 14, 2009
5,892
514
204
Houston Texas
Sep 29, 2019
#3
  • Sep 29, 2019
  • #3
Just wondering. Did you take a picture of the timing chains colored links and dots after the new chain was installed?

Did you move the crank at any time when the chains were off?

Did you apply torque to the cam sprockets bolts through the timing chains?

Which timing chain tensioners did you use? The kind with the ratchet or the newer style?
 
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