03 7.3l idle but wont rev - Ford Powerstroke Diesel Forum
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post #1 of 24 Old 02-18-2011, 05:46 PM Thread Starter
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03 7.3l idle but wont rev

i have an 03 f 250 7.3l will fire right up to an idle. press the pedal wont rev up. bought new pedal no change. cant seem to figure it out. been told a many of things like boost sensor, icm, tps. trying to get a better and narrower opinion than to buy all these parts to fix it. new to here and new to powerstrokes what a accelerating welcome. haha
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post #2 of 24 Old 02-18-2011, 05:54 PM
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throttle position sensor

Jason

First rig: e99 F250 CCSB 4x4 auto, white, 388k miles: traded in
Then: 02 F350 RCLB SRW 4x4 zf6, silver, 201k miles, THREW A ROD : traded to Jake
Now: 96 F350 CCLB DRW 4x2 auto, red and silver/grey, 266k miles: rusty but trusty
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post #3 of 24 Old 02-18-2011, 06:02 PM
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Check your fuses and check the wiring in the column that goes to the OD on/off switch

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post #4 of 24 Old 02-18-2011, 06:03 PM Thread Starter
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i didnt think was injection control module because that wouldnt even send fuel to start it up right? i will try the throttle position sensor and see what happens from there thanks
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post #5 of 24 Old 02-18-2011, 06:04 PM Thread Starter
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all fuses are good the over drive column switch has been cut off wires are still there bought the truck to fix and have done all i know trying to get advise
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post #6 of 24 Old 02-18-2011, 06:06 PM
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Originally Posted by dhanna6powerstroke View Post
Check your fuses and check the wiring in the column that goes to the OD on/off switch
lol wth would that have to do with no throttle response me lost....

Jason

First rig: e99 F250 CCSB 4x4 auto, white, 388k miles: traded in
Then: 02 F350 RCLB SRW 4x4 zf6, silver, 201k miles, THREW A ROD : traded to Jake
Now: 96 F350 CCLB DRW 4x2 auto, red and silver/grey, 266k miles: rusty but trusty
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post #7 of 24 Old 02-18-2011, 06:10 PM
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lol wth would that have to do with no throttle response me lost....
Because the wiring for the TPS is also part of the wiring to the OD switch. OD switch wire breaks or rubs through, blows fuse, no throttle

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post #8 of 24 Old 02-18-2011, 06:12 PM Thread Starter
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idk but asume truck has had some problem with overdrive switch cause it is no longer there just two or three wires hangin.
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post #9 of 24 Old 02-18-2011, 06:14 PM
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Quote:
Originally Posted by dhanna6powerstroke View Post
Because the wiring for the TPS is also part of the wiring to the OD switch. OD switch wire breaks or rubs through, blows fuse, no throttle
lol oh ok... good thing I havent slept in 24 hours or I wouldnt have an excuse for being a tard lol

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idk but asume truck has had some problem with overdrive switch cause it is no longer there just two or three wires hangin.
Lol well then a yup, i believe a problem be there.

Jason

First rig: e99 F250 CCSB 4x4 auto, white, 388k miles: traded in
Then: 02 F350 RCLB SRW 4x4 zf6, silver, 201k miles, THREW A ROD : traded to Jake
Now: 96 F350 CCLB DRW 4x2 auto, red and silver/grey, 266k miles: rusty but trusty
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post #10 of 24 Old 02-18-2011, 06:14 PM
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Quote:
Originally Posted by meeks44 View Post
idk but asume truck has had some problem with overdrive switch cause it is no longer there just two or three wires hangin.
I'd pull the column cover and inspect the wiring for chaffing. If you see any, repair wire and install new switch. I'll bet it was removed because it kept popping the fuse and the previous owner didn't know where to look.

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