1995 998cc running on 3 cylinders after wash.

Hi guys!

New to the forum, feel cheeky going straight in asking for help but I'm in pretty desperate need right now.

I washed my car today (not the engine just the bonnet, wings etc.) And since then it's not firing on cylinder 4. I've recently replaced the distributor cap, rotor arm and plugs, there is definitely a good spark there and the timing is correct.

I've read a lot that the MAF needs resoldering, but also that this is only with the coilpack cars? Also that wouldn't explain why it happened when it got wet.

This has happened once before, it lasted a couple of days. I was going to check the timing so I warmed it up, shut it off, pulled the tps, ran it, shut it off, replaced the tps, and then when I went to drive it later it was magically fine.

Any help would be appreciated, I'm seriously confused!
 
hola, a mi me pasaba cuando lavaba el motor, y es porque una de las gomas que protege una bobina estaba dañada, y entraba agua y perdía la chispa, cambie las 4 bobinas (porque la goma sola no la conseguía), ahora va bien .
revisa bien las bujias
 
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