Shudder in Low RPM OD
06-03-2013, 11:27 AM
#1
Shudder in Low RPM OD
Noob here with an issue.
2006 F150 4x4 with 120k on it and I've owned it for 8-9 months.
It shudders really bad at low RPM in OD when I try to accelerate slightly in OD or when it starts up a hill.
I've done searches on the site and it appears that a potential problem is spark plugs and COP's.
Questions:
Why would this cause the shuddering?
Is the shuddering from misfiring or poor ignition or is the shuddering from a slipping torque converter?
My first thought is a bum torque converter.
I'm thinking it very could be the plugs and COP because when sitting still it does stumble when I rev it up. Also when traveling and accelerate hard, which drops the tranny down a gear or two it stumbles and sounds like it is misfiring.
Thanks in advance for the help.
JP
2006 F150 4x4 with 120k on it and I've owned it for 8-9 months.
It shudders really bad at low RPM in OD when I try to accelerate slightly in OD or when it starts up a hill.
I've done searches on the site and it appears that a potential problem is spark plugs and COP's.
Questions:
Why would this cause the shuddering?
Is the shuddering from misfiring or poor ignition or is the shuddering from a slipping torque converter?
My first thought is a bum torque converter.
I'm thinking it very could be the plugs and COP because when sitting still it does stumble when I rev it up. Also when traveling and accelerate hard, which drops the tranny down a gear or two it stumbles and sounds like it is misfiring.
Thanks in advance for the help.
JP
06-03-2013, 11:59 AM
#2
Texas A&M Aggie
Definitely plugs. Mine shuddered and thought it was the trans. Trans shop diagnosed it as a intermittent misfire, said they didn't touch the plugs on those, and wished me luck. Changed just the plugs and boots and cleared it right up
The following 3 users liked this post by tareed94:
06-03-2013, 04:28 PM
#5
When you say boots, you are meaning the COP's, correct?
Has anybody got some suggestions on spark plug removal?
Put some PB or other break free stuff in there and let it sit over night?
Has anybody got some suggestions on spark plug removal?
Put some PB or other break free stuff in there and let it sit over night?
The following users liked this post:
paulyg17 (06-20-2013)
06-18-2013, 03:33 PM
#8
Noob here with an issue.
2006 F150 4x4 with 120k on it and I've owned it for 8-9 months.
It shudders really bad at low RPM in OD when I try to accelerate slightly in OD or when it starts up a hill.
I've done searches on the site and it appears that a potential problem is spark plugs and COP's.
Questions:
Why would this cause the shuddering?
Is the shuddering from misfiring or poor ignition or is the shuddering from a slipping torque converter?
My first thought is a bum torque converter.
I'm thinking it very could be the plugs and COP because when sitting still it does stumble when I rev it up. Also when traveling and accelerate hard, which drops the tranny down a gear or two it stumbles and sounds like it is misfiring.
Thanks in advance for the help.
JP
2006 F150 4x4 with 120k on it and I've owned it for 8-9 months.
It shudders really bad at low RPM in OD when I try to accelerate slightly in OD or when it starts up a hill.
I've done searches on the site and it appears that a potential problem is spark plugs and COP's.
Questions:
Why would this cause the shuddering?
Is the shuddering from misfiring or poor ignition or is the shuddering from a slipping torque converter?
My first thought is a bum torque converter.
I'm thinking it very could be the plugs and COP because when sitting still it does stumble when I rev it up. Also when traveling and accelerate hard, which drops the tranny down a gear or two it stumbles and sounds like it is misfiring.
Thanks in advance for the help.
JP
Sounds like you are describing the current issue I am having with my 2006 F-150 with 120k. lol. Exactly.... Does your check engine light come on? Mine doesnt, which I think seems odd if its misfiring...It also seems to be worse when I dont have my K&N air filter clean, or when I have a stock filter in. Which again seems odd. Anyone know why those would impact whether it misfires due to spark plugs going bad? or coils?...