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06-04-2004, 12:43 AM
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#1 | |
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AF Newbie
Join Date: Jun 2004
Location: brooklyn, New York
Posts: 2
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codes p0138 and p0141 hellllllllllllppppppp
Hi guys, I'm new to this forum. but I've been reading for a while.
I have a jeep cherokee 1999 which unfortunately got hit in the front. Fixed up almost every thing but the check engine light keeps coming on with codes P0138 AND P0141(autozone) I stupidly changed the oxygen sensors and the cat converter but the light came back on. Now the local Jeep dealer said I need to replace the exhaust manifold but my local mechanic listened to the engine run and said he doubts there is a crack in the manifold also there is some black deposits on the tail pipe what does that mean, I am getting frustrated so please come to my rescue anybody please!!!!!!!!!!!! |
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06-04-2004, 01:36 PM
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#2 | |
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AF Regular
Join Date: Mar 2004
Location: Cobb, California
Posts: 70
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Here is the compleat list. Print it out for your records. Perhaps your Cat Converter got damaged or you have a wireing problem going to the O2 sensor. If the exhaust manifold has even the slightest crack or gasket leak at the head or the flange you will get this code. A malfunctioning EGR valve that sticks open for even one second after de-celeration will cause a lean condition and through the O2 sensor off and regester this code.
It sounds to me that you have a wireing problem. Have a technician attach a "simulator" to the O2 sensor wireing and see if the code is still regestered. If thats the case then you have a wireing problem. 99–01 Light Duty Truck, Van & Jeep w/OBD II P0030 1/1 O2S Heater Relay Circuit P0036 1/2 O2S Heater Relay Circuit P0106 Barometric Pressure Out Of Range P0107 MAP Sensor Voltage Too Low P0108 MAP Sensor Voltage Too High P0112 IAT Sensor Voltage Low P0113 IAT Sensor Voltage High P0116 ECT Sensor Malfunction P0117 ECT Sensor Voltage Too Low P0118 ECT Sensor Voltage Too High P0121 TP Sensor Voltage Does Not Agree With MAP Accelerator Position Sensor Signal Voltage Too Low P0122 TP Sensor Voltage Low P0123 TP Sensor Voltage High Accelerator Position Sensor Signal Voltage Too High P0125 Closed Loop Temperature Not Reached Or Engine Does Not Reach Operating Temperature P0131 1/1 O2S Shorted To Ground P0132 1/1 O2S Shorted To Voltage P0133 1/1 O2S Slow Response P0134 1/1 O2S Stays At Center P0135 1/1 O2S Heater Failure P0137 1/2 O2S Shorted To Ground P0138 1/2 O2S Shorted To Voltage P0139 1/2 O2S Slow Response P0140 1/2 O2S Stays At Center P0141 1/2 O2S Heater Failure P0143 1/3 O2S Shorted To Ground P0144 1/3 O2S Shorted To Voltage P0145 1/3 O2S Slow Response P0146 1/3 O2S Stays At Center P0147 1/3 O2S Heater Failure P0151 2/1 O2S Shorted To Ground P0152 2/1 O2S Voltage Shorted To Voltage P0153 2/1 O2S Slow Response P0154 2/1 O2S Stays At Center P0155 2/1 O2S Heater Failure P0157 2/2 O2S Shorted To Ground P0158 2/2 O2S Shorted To Voltage P0159 2/2 O2S Slow Response P0160 2/2 O2S Stays At Center P0161 2/2 O2S Heater Failure P0165 Starter Relay Control Circuit P0168 Decreased Engine Performance Due To High Injection Pump Fuel Temperature P0171 1/1 Fuel System Lean P0172 1/1 Fuel System Rich P0174 2/1 Fuel System Lean P0175 2/1 Fuel System Rich P0176 Loss Of Flex Fuel Calibration Signal P0177 Water In Fuel P0178 Water In Fuel Sensor Voltage Too High Flex Fuel Sensor Voltage Too Low P0179 Flex Fuel Sensor Volts Too High P0181 Fuel Injection Pump Failure P0182 CNG Temperature Sensor Voltage Too Low P0183 CNG Temperature Sensor Voltage Too High P0201 Injector Circuit Malfunction, No. 1 P0202 Injector Circuit Malfunction, No. 2 P0203 Injector Circuit Malfunction, No. 3 P0204 Injector Circuit Malfunction, No. 4 P0205 Injector Circuit Malfunction, No. 5 P0206 Injector Circuit Malfunction, No. 6 P0207 Injector Circuit Malfunction, No. 7 P0208 Injector Circuit Malfunction, No. 8 P0209 Injector Circuit Malfunction, No. 9 P0210 Injector Circuit Malfunction, No. 10 P0215 Fuel Injection Pump Control Circuit P0216 Fuel Injection Pump Timing Failure P0217 Decreased Engine Performance Due To Engine Overheat Condition P0219 CKP Sensor Overspeed Condition P0222 Idle Validation Signals Both Low P0223 Idle Validation Signals Both High (Above 5 Volts) P0230 Transfer Pump (Lift Pump) Circuit Out Of Range P0232 Fuel Shut-Off Signal Voltage Too High P0234 Turbo Boost Limit Exceeded P0236 MAP Sensor Too High Too Long P0237 MAP Sensor Voltage Too Low P0238 MAP Sensor Voltage Too High P0251 Fuel Injection Pump Mechanical Failure Fuel valve Feedback Circuit P0253 Fuel Injection Pump Fuel Valve Open Circuit P0254 Fuel Injection Pump Fuel Valve Current Too High P0300 Random Misfire Detected P0301 Misfire Detected, Cylinder No. 1 P0302 Misfire Detected, Cylinder No. 2 P0303 Misfire Detected, Cylinder No. 3 P0304 Misfire Detected, Cylinder No. 4 P0305 Misfire Detected, Cylinder No. 5 P0306 Misfire Detected, Cylinder No. 6 P0307 Misfire Detected, Cylinder No. 7 P0308 Misfire Detected, Cylinder No. 8 P0309 Misfire Detected, Cylinder No. 9 P0310 Misfire Detected, Cylinder No. 10 P0320 No Crank Reference Signal At PCM No RPM Signal To PCM P0325 Knock Sensor 1 Circuit Malfunction P0330 Knock Sensor 2 Circuit Malfunction P0336 CKP Sensor Signal P0340 No CAM Signal At PCM P0341 CMP Sensor Signal P0350 Ignition Coil Draws Too Much Current P0351 Ignition Coil No. 1 Primary Circuit P0352 Ignition Coil No. 2 Primary Circuit P0353 Ignition Coil No. 3 Primary Circuit P0354 Ignition Coil No. 4 Primary Circuit P0355 Ignition Coil No. 5 Primary Circuit P0356 Ignition Coil No. 6 Primary Circuit P0357 Ignition Coil No. 7 Primary Circuit P0358 Ignition Coil No. 8 Primary Circuit P0370 Fuel Injection Pump Speed/Position Sensor Signal Lost P0380 Intake Air Heater Relay No. 1 Control Circuit P0381 Wait To Start Lamp Inoperative P0382 Intake Air Heater Relay No. 2 Control Circuit P0387 CKP Sensor Supply Voltage Too Low P0388 CKP Sensor Supply Voltage Too High P0401 EGR System Failure P0403 EGR Solenoid Circuit P0404 EGR Position Sensor Rationality P0405 EGR Position Sensor Volts Too Low P0406 EGR Position Sensor Volts Too High P0412 Secondary Air Solenoid Circuit P0420 1/1 Catalytic Converter Efficiency P0432 1/2 Catalytic Converter Efficiency P0441 EVAP Purge Flow Monitor Failure P0442 EVAP Leak Monitor Medium Leak Detected P0443 EVAP System Purge Solenoid Circuit P0455 EVAP Leak Monitor Large Leak Detected P0456 EVAP Leak Monitor Small Leak Detected P0460 Fuel Level Unit No Change Over Miles P0461 Fuel Level unit No Changeover Time P0462 Fuel Level Unit Volts Too Low P0463 Fuel Level Unit Volts Too High P0500 No VSS Signal P0505 IAC Motor Circuits P0522 Oil Pressure Sens Low P0523 Oil Pressure Sens High P0524 Oil Pressure Too Low P0545 A/C Clutch Relay Circuit P0551 Power Steering Switch Failure P0562 Charging System Voltage Too Low P0563 Charging System Voltage Too High P0600 PCM Internal Fault SPI Communications P0601 PCM Internal Fault Internal Controller Failure P0602 ECM Fueling Calibration Error P0604 TCM RAM Self Test Fault Detected P0605 TCM ROM Self Test Fault Detected P0606 ECM Failure P0615 Starter Relay Control Circuit P0622 Alternator Field No Switching Properly P0645 A/C Clutch Relay Circuit P0700 Transaxle Or Transmission Control System Malfunction P0703 Brake Switch Stuck P0711 Transmission Temperature Sensor Circuit No Temperature Rise After Start P0712 Transmission Temperature Sensor Voltage Too Low P0713 Transmission Temperature Sensor Voltage Too High P0720 Low Output SPD Sensor RPM, Above 15 MPH P0740 TCC, No RPM Drop At Lockup P0743 TCC Solenoid/Trans. Relay Circuits P0748 Governor Pressure Solenoid Control/Trans. Relay Circuits P0751 O/D Switch Pressure (Lo) More Than 5 Minutes P0753 Trans. 3-4 Shift Solenoid/Trans. Relay Circuits P0756 AW4 Shift Solenoid B (2-3) Functional Failure P0783 3-4 Shift Solenoid No RPM Drop At Lockup P0801 Reverse Gear Lockout Circuit Open Or Short Circuit P0830 Clutch Depressed Switch Circuit P0833 Clutch Depressed Switch Circuit P1110 Decreased Engine Performance Due To High Intake Air Temperature P1180 Decreased Engine Performance Due To High Injection Pump Fuel Temperature P1192 IAT Circuit Low P1193 IAT Circuit High P1195 1/1 O2S Slow During Catalyst Monitor P1196 2/1 O2S Slow During Catalyst Monitor P1197 1/2 O2S Slow During Catalyst Monitor P1198 Radiator Temperature Sensor Volts Too High P1199 Radiator Temperature Sensor Volts Too Low P1281 Engine Cold Too Long P1282 Fuel Pump Relay Control Circuit P1283 Idle Select Signal Invalid P1284 Fuel Injection Pump Battery Voltage Out Of Range P1285 Fuel Injection Pump Controller Always On P1286 Accelerator Position Sensor Supply Voltage Too High P1287 Fuel Injection Pump Controller Supply Voltage Low P1288 Intake Manifold Short Runner Solenoid Circuit P1289 Manifold Tune Valve Solenoid Circuit P1290 CNG Fuel System Pressure Too High P1291 No Temperature Rise Seen From Intake Heaters P1292 CNG Pressure Sensor Voltage Too High P1293 CNG Pressure Sensor Voltage Too Low P1294 Target Idle Not Reached P1295 No 5 Volts To TP Sensor Accelerator Position Sensor Supply Voltage Too Low P1296 No 5 Volt To MAP Sensor P1297 No Change In MAP From Start To Run P1298 Lean Operation At Wide Open Throttle P1299 Vacuum Leak Found (IAC Fully Seated) P1388 Auto Shutdown Relay Control Circuit P1389 No ASD Relay Output Voltage At PCM P1390 Timing Belt Skipped One Or More Notches P1391 Camshaft Or Crankshaft Position Sensor Intermittent Loss P1398 Misfire Adaptive Numerator At Limit P1399 Wait To Start Lamp Circuit P1403 Loss Of 5 Volts Feed To EGR Position Sensor P1475 Auxiliary 5 Volt Supply Voltage High P1476 Too Little Secondary Air P1477 Too Much Secondary Air P1478 Battery Temperature Sensor Volts Out Of Limit P1479 Transmission Fan Relay Circuit P1480 PCV Solenoid Circuit P1481 EATX RPM Pulse Generator Signal For Misfire Detection Does Not Correlate With Expected Value P1482 Catalyst Temperature Sensor Circuit Shorted Low P1483 Catalyst Temperature Sensor Circuit Shorted High P1484 Catalytic Converter Overheat Detected P1485 Air injection Solenoid Circuit P1486 EVAP Leak Monitor Hose Pinched P1487 High Speed Fan Control Relay Circuit P1488 Auxiliary 5 Volt Supply Output Too Low 5 Volt Supply Voltage Low P1489 High Speed Cooling Fan Relay Circuit P1490 Low Speed Cooling Fan Relay Circuit P1491 Radiator Fan Control Relay Circuit P1492 Battery Temperature Sensor Voltage Too High P1493 Battery Temperature Sensor Voltage Too Low P1494 Leak Detection Pump Pressure Switch Or Mechanical Failure P1495 Leak Detection Pump Solenoid Circuit P1496 5 Volt Output Too Low P1498 High Speed Radiator Fan Ground Control Relay Circuit P1594 Charging System Voltage Too High P1595 Speed Control Solenoid Circuits P1596 Speed Control Switch Always High P1597 Speed Control Switch Always Low P1598 A/C Pressure Sensor Volts Too High P1599 A/C Pressure Sensor Volts Too Low P1680 Clutch Released Switch Circuit P1681 No Instrument Panel Cluster CCD/J1850 Messages Received P1682 Charging System Voltage Too Low P1683 Speed Control Power relay Or Speed Control 12 Volt Driver Circuit P1684 Battery Has Been Disconnected Within Last 50 Starts P1685 SKIM Invalid Key P1686 No SKIM BUS Messages Received P1687 No MIC BUS Messages P1688 Internal Fuel Injection Pump Controller Failure P1689 No Communication Between ECM & Injection Pump Module P1690 Fuel Injection Pump CKP Sensor Does Not Agree With ECM CKP Sensor P1691 Fuel Injection Pump Controller Calibration Error P1692 DTC Set In ECM P1693 DTC Detected In Companion Module DTC Detected In PCM/ECM P1694 Fault In Companion Module No CCD Messages Received From ECM P1695 No CDD/J1850 Message From Body Control Module P1696 PCM Failure EEPROM Write Denied P1697 PCM Failure SRI Mile Not Stored P1698 No CCD/J1850 Messages From TCM No CCD Messages Received From PCM P1719 SKIP Shift Solenoid P1740 A Rationality Error Has Been Detected In Either TCC Solenoid Or O/D Solenoid Systems TCC Or O/D Solenoid Performance P1756 GOV Pressure Not Equal To Target At 15-20 Psi. P1757 GOV Pressure Not Equal To Target At 15-20 Psi. P1762 GOV Pressure Sensor Offset Volts Too Low Or High P1763 GOV Pressure Sensor Volts Too High P1764 GOV Pressure Sensor Volts Too Low P1765 Transmission 12 Volt Supply Relay Control Circuit P1899 Park/Neutral Switch Failure |
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09-10-2006, 04:33 PM
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#3 | |
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AF Newbie
Join Date: Mar 2006
Location: San Francisco, California
Posts: 6
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Re: check engine codes
I have a P1494, leak detection pump sw or Mechanical fault.
description from the book: Leak detection pump switch does not respond to input. Questions: 1. Does the evap soliniod control the leak detection Pump? 2. Does the the leak detection Pump have an eletrical switch that is seperate or is that one unit? I don't see wires to the pump. It looks like a vacum diaphram. Thank you in advance, this is an awsome site. I never would of found the relay for the radiator fans without the help of this site. |
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04-20-2007, 03:25 AM
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#4 | |
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AF Newbie
Join Date: Apr 2007
Location: Los Angeles, California
Posts: 1
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Re: check engine codes
Can anyone shed some insight on codes P1494 (Leak detection pump) and P1756? Are these easy to pinpoint and correct or would I need a mechanic to do a process of elimination? Thanks for any advice!
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