I HAVE A DODGE 360 V-8 ONLY WHEN TOWING HIS FIFTH WHEEL HE HAS A LACK OF POWER AND POPPING UP HILLS AFTER DRIVING AWHILE OK WITHOUT THE TRAILER 02 STUCK AT 0 VOLTS SO I KNOW I HAVE A LEAN PROBLEM ALSO IT MISSES AT IDLE AFTER IT LOSES POWER BEFORE I SPEND ALOT ... Login to read more.