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English Section => Diagnostics => Topic started by: bernilad on November 16, 2009, 17:22:32

Title: fuel trim
Post by: bernilad on November 16, 2009, 17:22:32

got a warning light code p0170 long term fuel trim out of parameter. any help on this problem would be much appreciated thanks. its driving me mad

Title: Re: fuel trim
Post by: Artur on November 16, 2009, 17:53:16

Hi,

Attached the very good article on fuel trim. It is related to BMW, but the idea is the same for all cars.

Title: Re: fuel trim
Post by: je on August 24, 2010, 05:06:44

The article is quite interesting, but now i need to figure out how I can compute the fuel trim for my car (Astra H, Z18XE engine). Any ideeas?