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Odd Superchips 3815 Issue

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Mar 14, 2008 | 10:21 AM

#1

Football_Bill

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From: CT

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Odd Superchips 3815 Issue

OK, here it is if I can explain it right. When my truck is programmed with the 3815 to the 87 Tune, only other adjustment is speed limiter and tire size, I get a check engine light, the code is 420, which is a bad O2 sensor. The CEL comes on after about half a tank. I cleared the CEL and set back to stock to get ready to take to the shop. Now 2 tanks later no CEL. I have gotten the light three times when the truck is programmed. Any ideas? I want the CEL on so I can get the O2 sensor replaced under warranty.

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Mar 14, 2008 | 11:29 AM

#2

Horseapples

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From: Shreveport Louisiana

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RE: Odd Superchips 3815 Issue

Wow, thats an odd one.Sorry, no idea what might be causing this issue. Does it repeat on the performance tune?

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Mar 14, 2008 | 08:50 PM

#3

HammerZ71

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From: South Georgia/East Florida

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RE: Odd Superchips 3815 Issue

Get on the Superchips Flashpaq forum I'm sure you'll get an answer pretty quick...

http://www.flashpaq.com/forum/index.php

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Old

Mar 14, 2008 | 09:30 PM

#4

Horseapples

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RE: Odd Superchips 3815 Issue

Good advice Ham! Hows Pappy doin, i miss the old fart

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Mar 14, 2008 | 09:35 PM

#5

HammerZ71

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From: South Georgia/East Florida

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RE: Odd Superchips 3815 Issue

Not too good I'm afraid. Personal issues when last I talked to him. PM me...

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Mar 14, 2008 | 09:41 PM

#6

Parts/Service

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From: Bremen, GA.

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RE: Odd Superchips 3815 Issue

Hmmm lets see. Programmer on, CEL on. No programmer, no CEL. Might this be a programmer malfunction.

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Mar 16, 2008 | 10:42 PM

#7

Max Power

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From: St. Paul, MN

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RE: Odd Superchips 3815 Issue

Since the economy tune might be leaning things out, that may be the diffence in the exhaust, tripping your O2 sensor.

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