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Author Topic: fuel trim  (Read 8761 times)

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Offline bernilad

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fuel trim
« 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


Offline Artur

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Re: fuel trim
« Reply #1 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.

Offline je

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Re: fuel trim
« Reply #2 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?