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could someone please tell me what could be wrong with my 95 model EF falcon.it's an automatic.it's idleing rough as guts and missing,it only does this when it's warmed up and only when in gear either in drive or reverse,it appears to be fine when in neutral or park.i have changed plugs and leads and coil but no difference.any advise or ideas on what it may be and how i can fix itwould be greately appreciated.I'm to broke to take to mechanic at moment.
yeah we got told it could be a few things but we were told to put in injector cleaner first and try that and since we did the car seems to be running ok
check the ISC & TPS, both impact on the car's performance when in gear.
ISC (Idle Stability Control?) = a cylinder thing on the throttle body, most likely full of mud & gunk
TPS (Throttle Position Sensor) = two plugs on the throttle body, they have 3 wires each coming out of them (black green & red from memory).