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08-24-2019, 07:44 AM | #1 |
shmo
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Fbo issues.. please chime in :(
Hey everyone..
Went fbo early this week.. vrsf cp " dp " 7 inch fmic " outlet K&n drop in Dp is catless! When we installed the dp the post o2 was pretty much welded on the stock dp.. It's currently halfway threaded in so I can put around while I wait for new Bosch o2 in the mail.. Also had some shitty new tire issues but currently got 4s all the way around. Getting the 3106 code which I hear is notorious with the catless dp.. or I'm getting it t cuz the rear o2 is half way installed.. First and second, pull.. not hard but at least pulls me back a bit.. from there on, it feels like I'm pulling a trailer.. don't have logs as I have nothing to log with.. Turner gauge won't hit the original 10.5 11.2 max psi that I was getting with the oem bits.. Question is, why would I be getting 9ish psi and motor sounds like it's working just as hard as before (plus added noise due to dp etc) but feels like I'm pulling a trailer?? I clear the 3106 code while cars on FYi and it just feels .... asleep. Please if anyone can give me a idea of something I should look for .. Keep in mind car was as always before the install.. All couplings are tight.. dp and midpipe seal were tightened with a impact soo don't think they're a leak there.. I know I need a tune to wreak the benefit of these parts but car should at least be as good as stock???? Also, semi bad lag Please help
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08-24-2019, 03:59 PM | #2 |
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Are you on the stock tune? If so that's why the car feels slower - especially now that you have a much larger intercooler. I would fix that 02 and throw any OTS tune on the car asap, then do some logs to make sure it's running right.
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08-24-2019, 05:44 PM | #3 |
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Start with MHD stg 1 and move forward. But honestly, I'd make sure everything is installed properly before testing things. O2s are important for trims and afr.
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08-24-2019, 09:15 PM | #4 |
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I would start looking for vacuum leaks. When I swapped out my turbos this spring I had the same results. Pulled strong at lower rpms then fell on its face. Found a disconnected vacuum hose under the valve cover. Connected it up and it still ran like shit. Took it in to my mechanic fearing the worst and he found a broken wire to my cooling fan. DME couldn't detect cooling so threw the car into limp mode and cut the power. $120 diagnosis and fix and car is faster than me. What I'm trying to say is sometimes you can guess what the problem is but with the right diagnostic tools a mechanic can narrow it down in minutes.
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08-24-2019, 09:26 PM | #5 | |
shmo
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Quote:
Gotta get the o2 then ill start narrowing it down with the mech.. every now and then (today) i get 10+ psi.. I was looking at the mhd maps on their site.. the psi jump is pretty conservative. Local tuner is saying a 60 to 80 hp jump with his what seems is a cut and paste tune as he mentioned if i wanted something custom it would b a lot more$ Wants 699$ for the "cut and paste"
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08-24-2019, 09:58 PM | #6 | |
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