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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

P0405 code for EGR — What it means and how to fix it

Learn what a P0405 code for EGR means and how to fix the problem A P0405 code is defined as Exhaust Gas Recirculation (EGR) A Circuit Low; meaning that EGR Valve Position Sensor is giving low voltage readings that are usually below the .5 – 1.0 voltage range. It’s a generic code that indicates that the engine control module (ECM) has detected that the exhaust gas recirculation (EGR) sensor has gone below the specified range. The EGR system is responsible for diverting a certain amount of exhaust gas to the … Read More

P0401 EGR insufficient flow

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


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