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P0401 EGR Insufficient flow comeback
Posted to Technical Discussion Forum on 9/6/2017 10 Replies

This truck came into the shop last week with a concern of his right catalytic converter getting hot and lightly glowing while under heavy towing. At that time he also said his SES light came on. The codes were for a TPS sensor and EGR P0401, P0404, and P0405. ... Login to read more.

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car Vehicle Data

2000 Chevrolet K3500 LS 7.4L

Engine7.4 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2000 Chevrolet K3500 LS 7.4L

Engine7.4 L
Trans4-speed Automatic (Electronic)