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Citroen Dispatch 2.0hdi fault codes RHZ eingine code, bosch ecu

Posted By dano 7/22/2010 6:18:44 AM
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Citroen Dispatch 2.0hdi fault codes RHZ eingine code, bosch ecu

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dano
 Posted 7/22/2010 6:18:44 AM
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i have in the workshop a citroen dispatch 2002 2.0 hdi that runs fine then out of the blue it will put the ecu light on and stores fault codes p1614 p0190 p0221 p0235, and runs very poorly, i can clear the codes right away and it will be fine for a while, im using a snapon scanner and reading the data everyting looks normal, ive cleaned and checked the wiring to the ecu and the 3 multi plugs that connect as i know they do suffer from wiring faults,

Any ideas????

Cool DAPPER!!!!

Angus
 Posted 7/22/2010 11:13:56 AM
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dano

I'd start to wonder about the 5 volt reference voltage to all those sensors.

The easiest place to measure it is probably the APP sensor - check that its 5v feed is exactly 5 volts.

A wiring chafe - either to earth or to 12v - might be involved, as the salt-exposed looms do deteriorate.

It might also be a short in a component that has both a 12v live feed and a 5v one - the MAF for example - or an ECU 5v supply problem.

.

dano
 Posted 7/22/2010 11:45:37 AM
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thankyou ill look into it and report back!!!

Cool DAPPER!!!!
dano
 Posted 7/23/2010 6:28:35 AM
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right, found a fault to throttle postion sensor, replaced and all seems ok for now, so think good job!!!, thankyou!!!!!

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Angus
 Posted 7/23/2010 8:58:38 AM
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dano

What did you find?

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