 2001 ZX2 2.0L / Engine Troubles
Problem began when running engine @ 55mph - engine began stumbling when depressing accelerator - ran acouple more miles maintaining speed - pulled over and goosed engine and it died as expected - wouldn't start again - finally got it to start after backfiring once but couldn't give it any gas or it would quit - when running engine possessed erratic idle - got it too start aday later after repeated cranking, same result, backfire first then erratic idle, died when increasing idle
Assessment: No Engine codes, Fuel pump is running, new fuel filter, injectors working, good spark all cylinders, new TPS, IAC moves w/current, new plugs, PVC valve, new MAP sensor. Not sure if or when Timing Belt has been replaced though it is still intact. Could the coil pack cause this trouble? Is there another component that I should be checking?
I did get the engine to start for acouple seconds repeatedly by using starting fluid in the air intake. Appears to me to be fuel related. the filter is new and the inertia switch should be ok {as it worked when installing filter - 2008 fall}. The pump whirls when turning key on - maybe fuel pressure sensor or fuel temp. sensor - I believe its doubtful that the injectors are clogged - I've replaced one since owning the car. I did clean the IAC with carb. cleaner acouple months ago before replacing TPS, this was a mistake I now know {Brake cleaner only}. Maybe the plunger for IAC broke down causing two much or no air.
Last edited by edetwe; 06-17-2009 at 12:57 PM..
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