Car Misfiring

[R33_Rob]

hi

for the last 3 days i have noticed that my R33 GTS S1 has been misfiring when i change gears. i just ignored it, but last nite i was driving down a hill with the car in 2nd gear and it was misfiring like a biatch. It misfired 4 times

I must admit i did spin the wheels once that night, but i havent really been doing anything else like that (prehaps the occasional power-slide).

What should i do, is my engine stuffed. By the way my car just hit 100 000 and everything has been replaced excluding ignition leads and fuel filter.

i did look at the sticky post called Misfiring, but since my car is an N/A i thought the problem could be different.

Edited September 15, 2006 by R33_Rob

[QRI05E]

The most common cause of misfiring in skylines (RB motors) is usually caused by:

- Coil Packs

- Spark Plugs

but some more info is needed to pin point the problem...

- Is the misfiring felt during acceleration or deceleration?

- Does the car misfire/stutter on idle?

- Does the car misfire/stutter when cold/hot?

Another cause could be injectors or fuel filter... bad batch of fuel perhaps? water in the tank?

My recommendation would be to:

- Read the Misfire thread and check your coil packs for any scorch marks or hairline cracks... (can be repaired with silicone)

- Check you plugs and make sure their not fouled up...

If all seems fine... then

- Change fuel filter and run a good quality injector cleaner with fresh batch of premium fuel... take for a good drive on the high way...

let us know how you go...

Cheers,

Sarkis

[R33_Rob]

The car is fine on idle. the problem occassionaly happens when the engine i hot. the misfiring is felt when i back off the accelerator to change gears

[QRI05E]

hmmm sounds more fuel related... try the fuel filter with injector cleaner idea... and see how you go...

cheers