MisFire vs Backfire. What is the difference?

[TURBOSPYDER]

Im not sure if they are the same thing. I datalog my car , and showed trouble codes of a Cylinder 1 misfire. I changed the plugs and its still happening but only when Im running the car normal. Not at WOT. Plus, does anyone know what trouble code : P0300????? any info can help . Thanks

 

[NJGSX96]

P0300 - Random/Multiple cylinder misfire detected

 

[g96nt]

misfire..... it just doesn't feel right..

at idle, you'll have a sputter, stutter, spit, or burp
and at speed, it'll jsut give a jitter, or WAY up there, it'll feel like the Car stalls For a split-second.


a back-fire.... you'll *KNOW* it'll be like *BLAT* POP, BANG, or even explode, if you're lucky...

backfire is when you have Fuel get past The exhaust valves, into the exhaust, and It hits somethign *HOT* and ignites... could be a Really hot Cat, muffler, or even a toasty-warm turbo/o2 housing.

 

[TURBOSPYDER]

So what does a misfire mean? anything I can do to prevent it? What causes misfire?

 

[g96nt]

to Corect misfire?

re-gap you plugs.... check your plug wires...
make sure you have no intake leaks..

tune your Car.. do you have a datalogger?

check your sensors (front O2, TPS, ISC..)

 

[g96nt]

to Corect misfire?

re-gap you plugs.... check your plug wires...
make sure you have no intake leaks..

tune your Car.. do you have a datalogger?

check your sensors (front O2, TPS, ISC..)

 

[allturbo]

A cam angle sensor going bad will cause misfires.