
P0400 Diagnostic Trouble Code Discussion for April 2014
Exhaust Gas Recirculation System Flow Malfunction
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Help Request | Posted | |
1999 Volkswagen EuroVan GLS 2.8L Poor Idle Quality VIN: WV2KH2702X P0400: EGR Low Flow. Van came in with CEL illuminated P0400- Low EGR Flow. engine runs fine, only light is on. Found cracked/broken vac line from EGR valve to egr vac solenoid, replaced it. Egr vac solenoid tested good electrically but was clogged with carbon and/or oil sludge. I ... |
April 29, 2014 |