Fiat Ducato 3.0 Multijet Van 2007 - Start from cold and will only idle, will not rev #
Posted by Richard Saddington on January 4, 2010, 9:05 pm
Message modified by board administrator January 5, 2010, 3:14 pm
Year of Manufacture *: 2007 Engine Code or CC *: 3000
hello ther guys, im realy hoping you can help me with this one. we have a very good customer of ours who has a problem as follows, If you start the van from cold it will only idle and not rev up until it has ran for 30 seconds to a minuite. when warm it trys to run on egr excessively (consistently black smoke and heavy fuel comnsumption etc.) codes present are p0638 throttle control valve, p0402 egr system fault and p0100 airflow meter. I carried out some small tests and found on cold starting engine, the ecu is applying vacume to the egr valve and when the vac stops engine will then rev up. customer has a number of these vehicle so egr and egr control solenoid has been inter changed with no improvement. with egr valve vacume blanked of van will start and run fine but leave management light on. all software updates have been carried out at fiat but still no further foward. (fait dealer not much help either) any ideas would be greatly recived!
|