I see this suggested for a ton of different running problems.
What is it and what does it do for my car?
What does RockAuto call it?
What is it and what does it do for my car?
What does RockAuto call it?
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- 1990 Ford LTD Crown Victoria P72 - the street boat - 5.0 liter EFI - Ported HO intake/TB, 90 TC shroud/overflow, Aero airbox/zip tube, Cobra camshaft, 19lb injectors, dual exhaust w/ Magnaflows, Cat/Smog & AC delete, 3G alternator, MOOG chassis parts & KYB cop shocks, 215/70r/15s on 95-97 Merc rims
- 2007 Ford Escape XLT - soccer mom lifted station wagon - 3.0 Duratec, auto, rear converter delete w/ Magnaflow dual exhaust
- 2008 Mercury Grand Marquis Ultimate Edition - Daily driver - 4.6 2 valve Mod motor, 4R75E, 2.73s. Bone stock -
TFI module = Ignition control module.
What it does is send timing information to the ECM which alters the ignition timing to allow for different engine running conditions. It's job is fairly simple. It's kinda like a electronic vacuum advance.'97 Cadillac Catera - 3.0 DOHC V6, 75k
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