JEEP CHEROKEE CODE P1128 ENGINE LIGHT ON FIXIf you have Jeep Cherokee and you have Code P1128 your engine light is on we will explain the most common things A forum community dedicated to Jeep Cherokee owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more for the SJ, XJ, KJ, KK, KL series and Grand Cherokee! Let's focus on the engine code. LEAN TROUBLE CODES (P0171 or P0174) A code P0171 or P0174 indicate the engine is running lean. This means there is too much air and/or not enough fuel. You can confirm the engine is running lean by looking at Short Term Fuel Trim (STFT) and Long Term Fuel Trim (LTFT). Normally, STFT and LTFT should be plus or Manually switch between heat and AC by turning the axle left and right with your fingers. If there is no change. between cold and hot while turning the white connector, your blend doors are broken and the JGCParts Heater. repair kit is your solution. Option A: $1500.00 and 3 days later, with factory.
Neither rich or lean condition is detected from the oxygen sensor. P0155 (M) 2/1 O2 Sensor Heater Failure. Oxygen sensor heater element malfunction. P0157 (M) 2/2 O2 Sensor Shorted To Ground. Oxygen sensor input voltage maintained below normal operating range. P0158 (M) 2/2 O2 Sensor Shorted To Voltage.
Jeep Cherokee Check Engine Light Codes. On the 91 to 96 Jeep Cherokees the ECU codes are accessible by watching the Check engine light blink on the dash. You cycle the key on and off three times leaving it on but not starting the Jeep.
straty1987. 2470 posts · Joined 2008. #5 · Nov 1, 2010. 52 = AI (Recirc) door travel range too large. 54 = Left temperature door travel too large. 56 = Right temperature door travel too large. 54 and 56 is the broken blend door. there is a simple fix that you can make a hole behind the glove box and change teh broken parts in under an hour.
