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-   24 Valve Engine and Drivetrain (https://www.dieseltruckresource.com/forums/24-valve-engine-drivetrain-89/)
-   -   Truck has gremlins (https://www.dieseltruckresource.com/forums/24-valve-engine-drivetrain-89/truck-has-gremlins-312077/)

taken5875 05-14-2013 09:41 PM

Truck has gremlins
 
Truck went full throttle on it's own wile driving. After shutting her down I lost all throttle response and the rpm's would jump all across the board from idle to redline all on it's own.

Replaced ECM. That was apparently NOT the issue.

Meat Man 05-15-2013 08:21 PM

APPS could be out. Try the reset first, but with a new ecm, it should have done it. I put in an ecm ecm and had some weird stuff the first restart.

Try to reset the apps and see what happens.

taken5875 05-17-2013 08:16 PM

Apps reset did not work. After replacing the computer the idle stays smooth and no longer jumps around but I still donor have any throttle response.

taken5875 05-18-2013 08:00 PM

Bump
?

SIXSLUG 05-18-2013 10:35 PM

Any codes?

taken5875 05-18-2013 11:16 PM

Plenty.
Ecu
0236
0121
0123
0237
0522
1698
0230
0382

SIXSLUG 05-19-2013 10:38 AM

You seem to be having comm problems and sensor values not to spec:

0236= Boost sensor not functional
0121= TPS does not agree with MAP
0123= TPS value high
0237= Boost sensor low
0522= Oil pressure low
1698= No CCD from ECM
0230= Fuel pump voltage out of range
0382= Intake air heater relay #2

I would see if your Edge drag comp is fooling with this stuff...

The oil pressure one is troubling to me, but could be the edge causing that.

taken5875 05-20-2013 07:33 PM

Unhooked the comp and still nothing. :(

SIXSLUG 05-21-2013 01:53 PM

All grounds intact and clean, battery cables and ends good?

taken5875 05-23-2013 06:36 PM

The random full throttle came back. Checked all grounds. All look clean and tight. Batteries and terminals are new and clean. Unplugged tps/apps and it still revs up on it's own. All codes are gone except a 1488 that I think said aux 5v input low. And another 0328 intake air temp.
Scan tool shows apps going from 0%-100% in 1sec bursts with no one touching the truck.

SIXSLUG 05-25-2013 11:18 AM

That would be coming from the ECM I would think....

I would rethread this with a more catchy title to what is going on to get more bites from guys who can help you with this.

Maybe "Intermittent throttle and codes" or something like that.

dg164 05-30-2013 06:12 PM

I had an edge under the good chip that caused all sorts of weird engine stuff! Like redlining randomly, no throttle and operatic idling!

taken5875 06-01-2013 07:06 PM

Still waiting on another ECM. :( should have it Monday

SIXSLUG 06-02-2013 11:20 AM

Good luck, man!

I hope that fixes it.

taken5875 06-03-2013 10:19 PM

ON THE ROAD AGAIN!!!!!!!

After two bad ECM's and 3weeks down time she's alive and well.


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