ZZP downpipe question
#1
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ZZP downpipe question
this is the downpipe for my auto 2.2 that i got from ZZP i ordered it with an extra o2 for wideband when i eventually get it tuned..
now my question is, which one is which for the o2 sensors and which one do i plug up?
1, 2 or 3
im guessing #1 is an o2 slot i need and does it matter which one i plug up? (2or 3)?
now my question is, which one is which for the o2 sensors and which one do i plug up?
1, 2 or 3
im guessing #1 is an o2 slot i need and does it matter which one i plug up? (2or 3)?
#10
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hooked it all up today..the zzp downpipe makes it more raspy..no check engine light until a few hours later what should i do about it? just get it cleared?
#11
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If you get it cleared it will just come right back on. You'll need to tune it out if you want it to stay off. I just ignored the light until I could buy HPT and tune it out. Or you can do this:
https://www.cobaltss.net/forums/how-...w-cats-104703/
https://www.cobaltss.net/forums/how-...w-cats-104703/
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alright guys im kinda getting worried here..more and more digging around and im finding more people with issues with the zzp downpipe, and like some have said the cat might be faulty. I cleared the p0420 code but it keeps coming back..isnt this going to be an issue with emissions tests?? We have pretty demanding tests here in Canada.. Even with a tune, some people are still having problems with the code coming back..this i find ridiculous considering the issues its causing and makes me not want this dp anymore, might as well use my stock one and not have problems..
thoughts??
thoughts??
#21
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so im looking at getting a tune...and i did order a defouler..so my question is - when i finaly do the tune, should i keep the defouler on? or should i remove it and put the o2 back where it was originally? or does it not matter?
thanks
thanks
#23
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can someone explain to me why with this new downpipe im burning soo much more gas? i get about half of the mileage on a full tank that i used to get before..i would get about 550-600kms full tank and now i barely get 300..
Will this tune correct this and will i get my mpg back?
Will this tune correct this and will i get my mpg back?
#24
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Yeah a tune will probably improve your mileage. But also make sure you don't have a leak somewhere, especially where the downpipe/header bolt up. An air leak there could make your car think it's burning lean when it's really not, then make it dump fuel into your motor.
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