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I have a new EGR valve but Its still coding P0401. Exhaust
Exhaust Gas Re circulation Flow Insufficient detected … read more
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Chevrolet Lumina LS: I have a 1998 Chevy Lumina with 128,000
I have a 1998 Chevy Lumina with 128,000 miles on it. The service engine soon light came on and I had it checked. It threw a P0401 code. I had the EGR replaced and two weeks later, it came back on and … read more
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2000 chevy lumina: the check engine light is on..code read..EGR valve
I have a 2000 Chevy Lumnia and the check engine light is on. I had the code read and the code is in relation to the EGR valve. Is there a way to clean the valve or do I have to replace it? Also, I had… read more
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Lumina: p0401..egr valve and cleaned..throttle body..keeps coming back
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99 chevy lumina: v6..egr..good vacuum on intake side and good exhaust
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code P0401 on a 04 chevy malibu, i changed the egr valve and the check engine light is still on . any other suggestions… read more
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Check engine light on for about 50 miles..20 miles..3 glow plugs
I keep getting P0404 code. Check engine light on for about 50 miles then off for about 20 miles. 3 glow plugs replaced sofar. The 404 seems to be a first indication. Or is my EGR just crapped up and c… read more
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I have 2004 Malibu 6 cyl. - check engine light comes on - Code
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I have A 1998 Buick Regal that is throwing the P0401 code.
I have A 1998 Buick Regal that is throwing the P0401 code. I don''t want to spend the money on a new EGR valve if I don''t have to. I took the existing EGR valve off and inspected it. It Looked to be … read more
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98 Lumina 3.1 Error Code P0401 EGR Flow Insufficient
''98 Lumina 3.1 Error Code P0401 EGR Flow Insufficient Detected ..... I changed the EGR valve, cleared the Error Code .... after 10 miles .... Service Engine Light went on again with same Error Code .… read more
Dan
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1998 Lumina: mi...egr valve..E..G..R.. flow insufficient Runs fine
1998 Lumina,3.1L,100K mi. Replaced EGR valve after getting code P0401: "E..G..R.. flow insufficient" Runs fine. No other codes but MIL comes on after clearing code and PCM has reset to ready state. Wh… read more
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98 chevy lumina: air flow..egr valve..gaskets..car seems to run fine
I have a 98 chevy lumina, 3.1 and im getting a 401 code ( insufficient EGR air flow). i was told that it was the egr valve, so replaced it, and both gaskets but, the code is still there,i reset the co… read more
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