MisFire and Retarded
#1
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Join Date: Dec 2023
Location: Texas
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MisFire and Retarded
I am getting a misfire in cylinders 2 and 3 and getting a retarded code all at the same time. I cleared the codes and restarted and received the same codes. I have changed the plugs and coils as well as all of the timing gear minus the cams. My truck was running great. I just finished a 150-mile dive when pulling into my driveway my RPMs shot up to about 3000 and the check engine light turned on solid no flashing. Runs rough and pops.
#2
I am getting a misfire in cylinders 2 and 3 and getting a retarded code all at the same time. I cleared the codes and restarted and received the same codes. I have changed the plugs and coils as well as all of the timing gear minus the cams. My truck was running great. I just finished a 150-mile dive when pulling into my driveway my RPMs shot up to about 3000 and the check engine light turned on solid no flashing. Runs rough and pops.
(ps: assuming 5.4 3v?)
#3
Senior Member
Yes please state the DTC codes it's stored.
if this only appeared shortly after a timing job I would be concerned that a part was faulty or perhaps improperly installed/torqued.
If the valve timing is off by a lot that alone can cause misfires. I'd guess the codes for retarded timing are on bank 1 same as the misfiring cylinders?
if this only appeared shortly after a timing job I would be concerned that a part was faulty or perhaps improperly installed/torqued.
If the valve timing is off by a lot that alone can cause misfires. I'd guess the codes for retarded timing are on bank 1 same as the misfiring cylinders?