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Fuel Trim For Dummies

How to go faster, stop quicker, and turn harder. Chips, exhaust, larger turbos, bigger/slotted/drilled rotors, high performance brake pads, manual boost controllers, performance shocks/struts/springs, airbox mods and more! Also discussion on HID and Xenon lights, aftermarket foglights and other exterior lighting.
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rmmagow
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Year and Model: V70 1998
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Fuel Trim For Dummies

Post by rmmagow »

Great simple explanation regarding fuel trim. Great is you have a higher end scan tool and can drive around for a while connected. P0171, p0174 codes especially.

http://www.obd-codes.com/faq/fuel-trims.php
1998 V70 AWD 228K - Daily Driver
1985 Mercedes Benz 300D - 197K Off Road For Now Brakes Failed
1998 S70 135K - FOR SALE
2003 GMC Sonoma - 114K - POS
1958 Mercedes Benz 220S 66K Original and never to be restored.
2006 Saturn ION 5-Speed - 150K Son's weird little easy to fix car

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matthew1
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Post by matthew1 »

Very good, rmmagow. Thanks for sharing. Bookmarking this to read later.
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1998 V70, no dash lights on

1997 850 T5 [gone] w/ MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace

2004 V70 R [gone]

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