rfich53

'88 22re misfire code 51. A/C idle doesn't step up when A/C on. Begins to "miss" after slight warm up. T/E1 doesn't step down idle. (Symptoms appear to beTPS) Tested ALL items listed under trouble code tested "Good". Then began changed out one at a time ALL components listed including ECU, TPS, A/C switch, A/C amplifire. Also tested "GOOD" air valve, EGR, Water Temp sensor, start injector time switch.

Gave up for tonight. Thanks in advance for any help much appreciated.