[89 gt conv]

I HAVE A 89 MUSTNANG GT CONV. AUTO RECENTLY I HAVE A PROBLEM STARTING THE CAR . IT WILL NOT START UNLESS I GIVE IT GAS. AND EVEN THEN ITS A LITTLE ROUGH. NO ONCE ITS STARTED IT RUN FINE EXCEPT FO WHEN I GIVE IT FULL THROTTLE THE CHECK ENGINE LIGHT WILL COME ON AD STAY ON UNTIL I LAY OFF THE TROTTLE. PLEAS HELP.

[GTRaptor]

You need to read the EEC Codes, theres a how to in the Tech section (or buy a code scanner for $43 at www.sunpro.com)

Those symptoms could be many things: bad pump, filter, injector, MAF, TPS...etc.