Does this make sense??? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 17 (permalink) Old 05-02-2007, 02:11 AM Thread Starter
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Does this make sense???

I called my ford dealer today to inquire why Ford will void your warranty if you delete the kitty with an aftermarket exhaust. The tech told me it is because the EGR valve and turbo are dependent upon the backpressure created by the kitty, in order to operate properly. Is this true? If so why or why not?????

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post #2 of 17 (permalink) Old 05-02-2007, 02:13 AM
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Quote:
Originally Posted by jennamax
I called my ford dealer today to inquire why Ford will void your warranty if you delete the kitty with an aftermarket exhaust. The tech told me it is because the EGR valve and turbo are dependent upon the backpressure created by the kitty, in order to operate properly. Is this true? If so why or why not?????
well there is truth to this! but the EBP sensor is vital to turbo operation on 03-04.5 after that the new protocols ignore it but the egr still looks at it.

99.5 F250, VGT 5.9 CR cummins
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post #3 of 17 (permalink) Old 05-02-2007, 02:20 AM Thread Starter
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As you can see in my sig I have a cat delete pipe. Am I possibly damaging my EBP, turbo, or EGR?

2004 F350 Crew Cab 4X4 6.0 PSD
Lariat, Leather, Sunroof
4 1/2 inch Pro Comp lift
35X12.5X18 Pro Comp Extreme All Terrains
1000 Watt Sound System:Thumbup:
MBRP 4-in turbo back w/cat delete
SCT XCal-2 tuned by Innovative Diesel
Intake Elbow
Autometer Z-Series-pyro, tranny, boost on A-pillar
Zoodad
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post #4 of 17 (permalink) Old 05-02-2007, 02:27 AM
 
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Quote:
Originally Posted by jennamax
As you can see in my sig I have a cat delete pipe. Am I possibly damaging my EBP, turbo, or EGR?
No.

If you are worried about warranty, put the cat back in before you go to the dealer.

-dan
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post #5 of 17 (permalink) Old 05-02-2007, 04:22 AM
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I have no cat, the EGR deleted, CCV rerouted, and enough fuel to feed 3 or 4 trucks, but... no SES light.
Thought it would have come on for sure when I took the tune out of 'er...

Going in tomorrow morning for the reflash...
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post #6 of 17 (permalink) Old 05-02-2007, 04:39 AM Thread Starter
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I always put my kitty back in when I go to the dealer. I was just curious about the statement made by the service tech that not having a kitty somehow affects engine performance negatively.

2004 F350 Crew Cab 4X4 6.0 PSD
Lariat, Leather, Sunroof
4 1/2 inch Pro Comp lift
35X12.5X18 Pro Comp Extreme All Terrains
1000 Watt Sound System:Thumbup:
MBRP 4-in turbo back w/cat delete
SCT XCal-2 tuned by Innovative Diesel
Intake Elbow
Autometer Z-Series-pyro, tranny, boost on A-pillar
Zoodad
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post #7 of 17 (permalink) Old 05-02-2007, 04:51 AM
 
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Quote:
Originally Posted by jennamax
I always put my kitty back in when I go to the dealer. I was just curious about the statement made by the service tech that not having a kitty somehow affects engine performance negatively.
The service guys are always going to try and find any reason to deny a warranty, thats what ford had become, my son's mustang gt, my PSD, if you alter the vehicle in any way they will try and deny it.
from whay you say, by asking that kind kind of question to a service rep. what did you expect? I hope you didn't tell em your name,Customer service at ford and others has gone in the toilet...
Just my opinon...
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post #8 of 17 (permalink) Old 05-02-2007, 05:08 AM
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I asked about my cat-back system when I put it in. Asked why they cared if I had a kitty or not. They said that they didn't care if there was a cat in it or not...just hope it didn't break outside of hometown, cuz the next shop MIGHT care if there's a cat installed or not.
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post #9 of 17 (permalink) Old 05-02-2007, 06:12 AM
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Rather than delete the cat why not just gut it ?

2007 White and tan F-250 CC Lariat 6.0L FX4 :93C_peelo

2003 Gray F-250 CC XLT 6.0L FX4=reaquired by Ford
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post #10 of 17 (permalink) Old 05-02-2007, 12:28 PM
 
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Quote:
Originally Posted by jmcholden
Rather than delete the cat why not just gut it ?
I gutted mine, I wish I wouldn't have. The cat is expensive, and I may need one if I ever trade it and they inspect it thoroughly.

Also, the gutted cat acts like a muffler/resonator and puts some drone in the cab at certain rpms. I will be buying a downpipe and cat delete pip when time/money permit.

To void the warranty, the manufacturer has to prove that the modified part made other stock parts fail.

-dan
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