350 Timing Troubles/Questions - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Dead Parrot · 01-07-2020, 10:45 PM

My only computerized vehicle is an 2009 Escape. The manual for that mentions Limp Home several times. Where I got the idea. I think there is also a 'open loop' mode if enough of the signals aren't getting to the computer. Like limp home, it is a basic tune for the TBI.

Don't overlook the ability of rodents to make after installation modifications to a wiring harness or rubber tubing.

Might check the ECM specs and see if it is expecting some signals from in cab wiring that might not have made the transfer trip.

01-07-2020, 10:45 PM	#5
Dead Parrot Registered User Join Date: Aug 2012 Location: Oklahoma City, OK Posts: 2,675	Re: 350 Timing Troubles/Questions My only computerized vehicle is an 2009 Escape. The manual for that mentions Limp Home several times. Where I got the idea. I think there is also a 'open loop' mode if enough of the signals aren't getting to the computer. Like limp home, it is a basic tune for the TBI. Don't overlook the ability of rodents to make after installation modifications to a wiring harness or rubber tubing. Might check the ECM specs and see if it is expecting some signals from in cab wiring that might not have made the transfer trip.



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