I’ve got a 91 prizm where on a recent roadtrip the transmission went out on the freeway. While driving 75mph, i heard a quick ping sound, then a quick wheel skip followed by the sound of my transmission turning itself into gravel. We had just enough time to get off to the side, but i knew it was done.
I live in San Francisco and don’t feel like getting a new car only to get it covered in dings from all the bad drivers around here. So naturally i replaced the transmission in my 22 year old car. yikes. It needs to be stated at this point that the car has run flawlessly it’s entire lifetime and I’m the original owner - had no reason to expect otherwise after replacing the transmission.
The shop that changed it was a large shop, AAA recommended and Owner-operated. They told me the transmission was from a car from Japan where transmission replacement is standard. (I did not know this).
Now however, the car has a misfire. No perceivable misfire for the first two minutes she’s running, but then constantly misfiring every couple seconds. At stop lights, you can feel the car almost want to stop, but then step on the gas and runs ok, but can still feel the misfire until she gets up to speed. The car runs just a smidge rougher so we believe it’s still misfires while at speed, just not noticeable.
- Timing belt only has 10,000 miles.
- Timing is dead on.
- Wires are good, just changed the distributor, coil and plugs. As i understand it, the throttle position sensor is integral to the distributor, so that’s new as well.
- Fuel pressure is right on.
- No warning lights on dash.
At this point, I can’t keep throwing money at her. The transmission was 5-6 months of a car payment for a new car. I’m hoping someone can shed some light on this matter so we can keep her.
Would there be a reason that the car would have a misfire after getting the transmission replaced?
Any help/suggestion would be appreciated to discuss with my mechanic.