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-   -   Set up FFS and LC and a few other things.... now no cruise control (https://www.ft86club.com/forums/showthread.php?t=122287)

guybo 09-26-2017 08:34 PM

Set up FFS and LC and a few other things.... now no cruise control
 
Does LC or FFS disable cruise control?

I also edited the timing advance B map for pops and bang and raised the low idle RPM to 800. Could these disable cruise?

there's no CEL, car runs perfectly otherwise. Just no cruise after tweaking my Stage 2 EL 93 OFS tune file

TY for any help

steve99 09-26-2017 09:32 PM

Quote:

Originally Posted by guybo (Post 2984072)
Does LC or FFS disable cruise control?

I also edited the timing advance B map for pops and bang and raised the low idle RPM to 800. Could these disable cruise?

there's no CEL, car runs perfectly otherwise. Just no cruise after tweaking my Stage 2 EL 93 OFS tune file

TY for any help


Read ecu for fault codes, if codes found investigate cause and rectify


If no codes
remove battery terminal for a couple of minutes to reset all control units


hopefully cruise will be back

guybo 09-27-2017 06:04 AM

So there could be fault codes disabling cruise even if there's no MIL (CEL)? OK, I never thought to do that. I thought only active MIL could disable cruise, not pending or anything.

steve99 09-27-2017 06:13 AM

Quote:

Originally Posted by guybo (Post 2984219)
So there could be fault codes disabling cruise even if there's no MIL (CEL)? OK, I never thought to do that. I thought only active MIL could disable cruise, not pending or anything.

Oft and some other scanners only read codes from engine ecu, and overlook all the other control units in car

D_Thissen 09-27-2017 10:59 AM

Quote:

Originally Posted by guybo (Post 2984072)
Does LC or FFS disable cruise control?

I also edited the timing advance B map for pops and bang and raised the low idle RPM to 800. Could these disable cruise?

there's no CEL, car runs perfectly otherwise. Just no cruise after tweaking my Stage 2 EL 93 OFS tune file

TY for any help

Disconnect the battery for a minute or two. I've had a similar issue when I plugged in my OFT while the car was running. I guess the plug didn't go in straight, got the white screen, and then the CC didn't work. I turned off the car, plugged in the OFT again and everything worked fine.

guybo 09-27-2017 09:06 PM

That did it, thanks guys


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