1998 Ford Escort "rough idle aspire" Questions

rough idle my car was fine for the most part when i bought it. 5th gear was a little shaky, but nothing too bad. I just had the spark plugs replaced and did an oil change and now it idles really rough

Idle test on EGR by putting vacuum on the vacuum port of the EGR did not make car run rough, so failed visual part of EGR test on Smog Test. Upper and lower intake manifolds were cleaned of carbon ...

...Aspire Fuel injected that is having timing and idle surges when at idle. I can’t set timing or idle because of the surging, even when jumper ST1 to ground on the diagnostic port. Only codes being ...

rough idel and no power on my 95 aspire changed plugs,plug wires,air filter,pc filter. runs great at high speed but hard to start and wont idel Check for leaking vaccum lines from the engine intake ...

...rough idle, Oh yes if it was head gasket upon acceleration you would notice white smoke not to be confused with condensation but happen at all range.For coolant leak look on the radiator at the seam ...