1996 Lexus ES 300 "p0400 code" Questions

...code return. The EGR valve is not always the culprit. * Use a vacuum pump and pull the EGR valve open while monitoring engine RPM's & DPFE voltage. There should be a noticable difference in RPM's ...

trouble shooting code obd2 code p0400 EGR malfunction. Check the vacuum hose to the EGR valve first. http://www.obd-codes.com/p0400 Help with P0400 code Volvo Forums Volvo Enthusiasts Forum

...code p0400 any ideas The fault is somewhere around the EGR valve - probably the EGR valve or the throttle position sensor. Before replacing any sensors try removing and cleaning the EGR. Here's a ...

...code p0400 engine light on code p0400 code p0400 refers to exhaust gas recirculation(EGR) system---flow malfunction.===causes---hose leak/blockage--basic setting not carried out (if ...

code p0400 engine light came on trouble code p0400 low flow. trin to find out is there another egr port besides the one in the throttle body. the passage that causes this low flow is in the intake, it

P0400 is a generic E.G.R. flow restriction code. so yes a dvom (multimeter) and a vacuum pump to diagnose it correctly, also check for loose wires as ford harness connectors are known to fail alot due

...P0400 Exhaust Gas Recirculation Flow Malfunction P0235 Turbocharger Supercharger Boost Sensor Circuit Malfunction I would say the EGR Valve is faulty- stuck open. I think the second code ( P0235) is ...

Code P0400 on 99 nissan altima EGR Pintle stuck closed Hi Kristy,here's a link to your P0400 code.

codes p0400 P0400 is an EGR code. Usually caused by carbon blocking some of the the vacuum ports. It can also be caused by a blocked vaccum hose, misrouted hoses, or even a bad ECM

2010 chevrolet cobalt P0400 engine code P0400 Go to this web site http://www.obd-codes.com