What is your question?
·
·
Have an auto question? Local mechanics have answers.
Auto experts have answers.We'll send your question to trusted nearby shops.
What is your question?
EGR flow insufficient,who can i fix this problem
2 Replies
Have it tested; That could also be a fuel filter or a fuel pump.
Exhaust Gas Recirulation - EGR EGR Valve clogged or defective. EGR Passages clogged with build up. Insufficient flow also includes your passages in your intake. Upper would be your plenum. Vacuum lines can trigger this too. Exhaust leak(s) are a major player. Never heard of a fuel pump/filter tripping P0401