Driving to get tuned with CEL?

ZPWR · 04-17-2022, 07:26 PM

Hey fellas just wanted your opinion if it's a good idea to drive the car to my local tuner shop after having installed cbe+HFC+CAI mods. I'm guessing i'll have CEL once I get all 3 on? Currently CBE and HFC is put on.

Or would it be better to tow to be safe?

EDIT: Actually just found this thread: Driving to tuner with breathing mods?

One guy suggests to disconnect battery during the drive. Another says its fine to drive only as normal.

Jhill · 04-17-2022, 10:09 PM

Don’t disconnect the battery while driving just drive it there and don’t go beating on it. It’ll probably throw lean codes but that doesn’t actually mean your lean it’s just means the fuel trim will be out of range. EFI can make massive compensation now days. I’ve had customers VW’s in the past with the breather hose completely cracked open and hanging and yet the PCM was able to compensate and keep the car driving fine, it’s only once you reset the pcm that it will have issues.

ZPWR · 04-18-2022, 02:46 AM

Nice thanks for clearing that up! Appreciate it.

04-17-2022, 07:26 PM	#1 (permalink)
ZPWR Base Member Join Date: Sep 2020 Location: Australia Posts: 31 Drives: 2012 370z Sport Rep Power: 3384	Driving to get tuned with CEL? Hey fellas just wanted your opinion if it's a good idea to drive the car to my local tuner shop after having installed cbe+HFC+CAI mods. I'm guessing i'll have CEL once I get all 3 on? Currently CBE and HFC is put on. Or would it be better to tow to be safe? EDIT: Actually just found this thread: Driving to tuner with breathing mods? One guy suggests to disconnect battery during the drive. Another says its fine to drive only as normal. Last edited by ZPWR; 04-17-2022 at 07:30 PM.

04-17-2022, 10:09 PM	#2 (permalink)
Jhill Track Member Join Date: Mar 2016 Location: San jose Posts: 846 Drives: 2013 370z sport Rep Power: 3384	Don’t disconnect the battery while driving just drive it there and don’t go beating on it. It’ll probably throw lean codes but that doesn’t actually mean your lean it’s just means the fuel trim will be out of range. EFI can make massive compensation now days. I’ve had customers VW’s in the past with the breather hose completely cracked open and hanging and yet the PCM was able to compensate and keep the car driving fine, it’s only once you reset the pcm that it will have issues. SouthArk370Z and ZPWR like this.

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04-18-2022, 02:46 AM	#3 (permalink)
ZPWR Base Member Join Date: Sep 2020 Location: Australia Posts: 31 Drives: 2012 370z Sport Rep Power: 3384	Nice thanks for clearing that up! Appreciate it.