Last night on my way home from work my car started backfireing randomly when I would clutch to shift or let off gas with clutch still engaged. Then about 3 mins later the idle was bouncing between 300-1500rpm and the backfireing was worse. The pipes were burning clean but the engine bay smelled of unburnt fuel. I checked to see if the Afm flap got stuck. And made sure there was no vaccum leaks (dipstick, oil cap , intake boots). When I put the Afm back on the backfireing went away but now the engine is missing all the way through the rev range and still wont idle. Its around 300rpm and rough with foot off throttle.
Any help would be greatly appreciated!
Any help would be greatly appreciated!
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