7.3 Surging, Please Help
Thread Starter
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Cross-Country
Joined: Jan 2005
Posts: 81
Likes: 1
From: Florida
7.3 Surging, Please Help
I own a 02 F 350 7.3 with 55k miles. It started surging/bucking a little @ 51k and I have changed the fuel filter twice thinking it was water with no luck. I also drain the fuel bowl every few days with no luck. I seems to be getting worse. I only notice it at 30-55 mph when holding constant speed or when the c/c is on...Any help??? Any ideas????
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
Best thing to do is to get it scanned for codes. That aside, sounds a lot like a TPS. (Throttle Position Sensor). Basically your pedal assembly as a unit. It's self contained and must be replaced as a whole unit, from what I hear.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
Originally Posted by sterling
[B]Can it be scanned if the check engine light has not tripped on? Do Diesels even have check engine lights? Thanks
It's pretty amazing how much can be stored in the computers these days. The carmakers try and conceal as much as they can from the average owner. I think thier logic is that they don't want to be inundated with service calls: "Whats this light and what does it mean?" But the mechanics have access with the scanner. If there is a problem then the scan points them in the right direction. We'd be lost with them. Too much computer control to do so otherwise.
Good grief, where'd all that come from???
Thread Starter
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Cross-Country
Joined: Jan 2005
Posts: 81
Likes: 1
From: Florida
[B]Thanks, from what I have read you are correct. My truck has 55k on a 02 would the TPS be under warranty? If not how much do they cost? Also where is it located? and can I change it myself? Sorry for all the questions..Thanks in advance Richard
