Re: What does DTC 334 "ACTUALLY" mean???
After pull'n EGR off n clean'n out the port,it fail'n AGAIN! Nox where nearly double what's allowed. Seem'd all that was left was the CAT.! Had another off my previous Ranger(stock),failed AGAIN!! Drop'd $250 on a new universal CAT.! New CAT. cut 3/4 of the NOX,came out measuring 1/2max allowed!! If u test'd EGR n it's work'n,only other componant on EGR line is the CAT.. I guess it changes one gas to another!! Get;n way bet'r mileage no also!! GOOD LUCK Pad!!!!
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1993 XLT 2.3L 4cyl
Mods:the P235/75R/15's were on it when I bought it;installed Pioneer Super Tuner,ADS tweets,5" Nakamichi door spkrs,and Infinity BassLink.Monroe Sensatrack front shocks,Monroe air shocks in rear.All else is stock
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