...replaced the EGR valve. Now I get t/c P0404 and P0405. Now what should I check? 404 is exhaust gas recirculation circuit, and 405 is exhaust gas recirculation sensor circuit low. EGR sensor or
Question about Chevrolet Silverado 1500
...egr valve and other things that are made to limit polution tend to stick and give the computer bad readings. A serious tune up may fix it, and I think should, but you MAY still be in the same boat! ...
egr valve p0401 showes up and replaced it and egr valve p0401 showes up and replaced it and still engine stillserges at idale coast speed also replaced all vac hoses i have 1998 buick century replaced
...EGR valve it is sticking or the EGR port is blocked i can tell you how to test it you have a volt meter but i am 100% THAT WHAT IT IS Code P1399 is a pending misfire code. HOW TO TEST 1. Check EGR ...
...EGR Valve - Repair EGR harness or connector - Replaced EGR volume control solenoid valve - Replaced EGR volume control valve That code refers to the EGR Valve(exhaust gas recirculation valve). This ...
Question about Chevrolet Silverado 1500
...replace all above parts and now the check engine light is still on and i am out of ideas. Here is a list of possible causes. Some things you have already done.EGR solenoid valve harness is open ...
...it run again? Start by removing the EGR and clean it, or replace it. (They usually get gummed up with carbon) This would be the best place to start. Replace the egr valve and check the vacume
...replace the EGR Valve or maybe the DFPE sensor is at fault. Any ideas? Follow the link for help with this fault code P1405 Ford DPF EGR Sensor Circuit High Voltage Detected I suggest you replace the ...
replace the EGR valve only to have the OBD 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
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