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Check light stayin on

Replace egr valve and the controler valve and the light went off and came back after about 10 miles check the code still say's egr valve has problem

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What controls the opening and closing of the EGR solenoid?


ECU controls the EGR system. Check for vacuum to the valve with the engine running. There should be no vacuum. If you have vacuum disconnect the electrical to the vacuum control solenoid and see if the vacuum goes away. If it does you have a command or wiring problem and will need to trace the signal wire back to the ECU.

Oct 25, 2014 | Cars & Trucks

1 Answer

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You can have a look at the position of EGR valve and where it is located in following link:
6_17_2013_11_10_45_am.jpg

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Ford Escort P1405 Error Code


Are you sure you have EGR flow?? Hold the EGR valve open the engine should run poorly, if not you have no flow.

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that does not mean that the egr is bad maybe its solenoid a electric control or vacuum hose controlling the egr, or an exhaust pipe connect it to it. that code means that egr for some reason is not working the way have to work.

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2000 mazda 626 check engine light went on . code


probley not egr valve it probley egr control solenoid or wiring

Apr 11, 2010 | 2000 Mazda 626

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EGR circuit Problem , checked connection replaced EGR valve, cleared codes, light off. drove 1/2 mile light back on,same code! whats next ECM!


electronic control module ecm (not egr) different parts one controls pollution / the other controls the ignition control modle is under the coilpacks

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1 Answer

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just because the check engine light is back on, it doesn't necessarily mean it is for the same problem. it could be, but would need to pull codes again to find out what its for. literally hundreds of different codes could turn on check engine light. also, was original code for "insufficient egr flow" or "excessive egr flow"? it makes a difference.

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2 Answers

Code p0300 and p1406


P0300 is misfire and p1406 is EGR. It sounds like you have a chunk of carbon stuck in the EGR valve. Remove the valve and clean the carbon from the valve, bottom side. Then install a screened gasket so it won't happen again.

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1 Answer

1994 Buick Lesabre, Traction Control Light


U will have to run the tests for the trouble codes from both lights, they are unrelated, but chances are the CEL is the same problem, the EGR valve, in any event without the trouble codes there are far to many things to turn either light on to venture a guess, that kind of diagnosis costs allot of your money.

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