My 93 Esprit, after sitting for two weeks (don't ever do that again), started breaking up at higher (over 5k) rpm at full throttle. Symptoms and stats:
1. 93.5 SE, stock except for S4s chip and no cat exhaust.
2. Car hesitates dramatically above 5 k and misses, and bogs at full throttle at 4k or so and then backfires as if a cylinder is loading up wtih fuel, not firing and then igniting on the exhaust.
3. Car runs fine up to 3/4 throttle and 5k rpm.
4. After installing new chip, I've had an intermittent warm up issue. When first started cold, car will rev to 2k for about 2 minutes,
