P1693 - Dodge Cummins Diesel Forum

98.5-02 Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect..NO ADVERTISING .

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post #1 of 58 (permalink) Old 11-17-2008, 10:27 PM Thread Starter
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P1693

so. . .i have dead spots when i'm rippin. my fuel press stays at 11 or above, my inj pump is the freshest thing on my motor, i just installed ddp110's, and i'm throwin p1693-with no other codes that could be related to the power loss. truck seemed to be fine for the first couple hund miles after injector installation and i was rippin the whole time.

now from what i understand a scantool will read the code that is settin off the 1693--cuz there has to be another code right?



'02HO w/ SO pump (tapped), nv56, 3.55's, ddp 110's, 42psi, everything ported, studded, a 5 inch w/ all the other nonsense. 285's. 270k.
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post #2 of 58 (permalink) Old 11-17-2008, 10:39 PM Thread Starter
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buuuuuuuuuuuump

'02HO w/ SO pump (tapped), nv56, 3.55's, ddp 110's, 42psi, everything ported, studded, a 5 inch w/ all the other nonsense. 285's. 270k.
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post #3 of 58 (permalink) Old 11-17-2008, 11:17 PM
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1693 is not a problem. It's called a "companion code". It just means that there was also a code present in the ECM. Whenever your truck throws a code, the P1693 companion code will show up also.
If you're CEL has come on, then you very well may have a code set of some sort, otherwise, just clear the 1693 code and all should be good.

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post #4 of 58 (permalink) Old 11-17-2008, 11:18 PM
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What do you mean......dead spots???

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post #5 of 58 (permalink) Old 11-17-2008, 11:20 PM
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P1693 DTC Detected in Campanion JTEC mod Try and google this.
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post #6 of 58 (permalink) Old 11-17-2008, 11:24 PM
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Quote:
Originally Posted by TylerG View Post
P1693 DTC Detected in Campanion JTEC mod Try and google this.
No need to google it..........It means that there is/was another code set in the ECM.

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post #7 of 58 (permalink) Old 11-17-2008, 11:27 PM Thread Starter
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Quote:
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What do you mean......dead spots???
when i'm rippin it literally defuels for a sec, stutters almost. my turbo even "blows off" sometimes with my foot to the floor (when it gets that bad).

i know it's a companion code, my question is where the hell is the other code? that's the only code im throwin. i assume i need a scantool to read the other one since my truck's not noticin it?

'02HO w/ SO pump (tapped), nv56, 3.55's, ddp 110's, 42psi, everything ported, studded, a 5 inch w/ all the other nonsense. 285's. 270k.
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post #8 of 58 (permalink) Old 11-17-2008, 11:29 PM Thread Starter
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oh and CEL never came on.

'02HO w/ SO pump (tapped), nv56, 3.55's, ddp 110's, 42psi, everything ported, studded, a 5 inch w/ all the other nonsense. 285's. 270k.
if its cheap it's not easy, if its easy it's not cheap
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post #9 of 58 (permalink) Old 11-17-2008, 11:32 PM
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Sorry, I misunderstood your ?.
Are you using the key trick to get the 1693 code?? and that's the only code it shows by doing that??
I'm wondering if you're not coming up against the factory rev limiter. Alot of the Adrenaline guys were/are having that same problem.
At what RPM does the stumble occur??

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post #10 of 58 (permalink) Old 11-17-2008, 11:35 PM
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or it could be a bad apps sensor couldnt it?
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post #11 of 58 (permalink) Old 11-17-2008, 11:40 PM Thread Starter
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generally, it's most prevalent when i start rippin at lower rpm, but it could just be the increased amount of time it has to stutter. my first instinct was IP, but i am almost certain it is not rev limiter cuz it happens when i start rippin at any rpm. like i said it really didnt happen at first. and it makes damn good power when it's not happening.

oh and yes im using key trick

'02HO w/ SO pump (tapped), nv56, 3.55's, ddp 110's, 42psi, everything ported, studded, a 5 inch w/ all the other nonsense. 285's. 270k.
if its cheap it's not easy, if its easy it's not cheap
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post #12 of 58 (permalink) Old 11-18-2008, 01:24 AM Thread Starter
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ok ill ask a different question: if my vp was failing, would i definately get the death code? i would say because of how hard it's been buckin' that whatever is wrong would throw a code. . . .

'02HO w/ SO pump (tapped), nv56, 3.55's, ddp 110's, 42psi, everything ported, studded, a 5 inch w/ all the other nonsense. 285's. 270k.
if its cheap it's not easy, if its easy it's not cheap
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