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Posts Tagged: P0405

Check engine light on traction control light on – Pontiac

Fix Check engine light on traction control light on – Pontiac Trouble codes P0404, P0405, and C0561 on 2007 Pontiac Torrent with the 3.4L engine, . check engine light on, Traction Control Light on The two “P” codes; P0404 Exhaust Gas Recirculation Circuit Range/Performance and P0405 Exhaust Gas Recirculation Sensor A Circuit Low, relate to problems with the exhaust gas recirculation valve (EGR). The powertrain control module (PCM) commands the EGR valve to open or close by a specific amount. A position sensor on the EGR valve reports how much … Read More

Fix P0405 EGR code on Chrysler

Fix code P0405 EGR code on Chrysler Products Many Chrysler products use EGR transducer to detect the actual movement of the EGR valve. The computer commands the EGR valve to open a certain amount. Then, the transducer measures exactly how far the valve actually opened. This transducer sensor has a very high failure rate. In most cases a P0405 EGR Sensor A Circuit Low is caused by a bad sensor. There are two way to go about this fix. You can buy a new EGR valve with sensor, or you … Read More

P0405

Fix code P0405 Exhaust Gas Recirculation (EGR) A Circuit Low If you have a P0405 Exhaust Gas Recirculation (EGR) A Circuit Low trouble code, read this to understand what it means Engines recirculate a small amount of exhaust back into the intake manifold to reduce combustion temperatures and lower smog causing oxides of nitrogen emissions. The computer commands the EGR valve to open a certain amount and then checks to make sure it’s operating properly. One way to check is to mount a position sensor on the shaft of the … Read More

P0401 EGR insufficient flow – Chrysler Minivan

Fix trouble code P0401 egr insufficient flow – Chrysler Minivan Late model Chrysler Minivans are known to post P0401 egr insufficient flow codes P0401-P0408. The egr valve is like an electronic solenoid that pulls the pintel off its seat. A position sensor at the top of the valve measures how far the pintel shaft has actually moved versus how much the computer commanded it to move. It’s the position sensor that goes bad (see plunger in photo). The problem may be in the sensor, but the fix is in replacing the … Read More

P0405, P0406 – Ram, Jeep

Fix trouble codes P0405, P0406 – Ram, Jeep Dodge has disclosed a problem with P0405, P0406 on some 2006-07 Ram Trucks and Durangos and Jeep Grand Cherokees and Commanders. All of these vehicles were built before 2-15-07 and may light up the “Check Engine” light and store P0404, P0405, or P0406 EGR position sensor codes. Check the EGR with a scanner, but chances are the codes are “false codes: due to a programming error in the PCM. The fix involves reflashing the PCM with software release 7.03 SP1 or higher. … Read More


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