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Discussion Starter #1
I have a 63 plate astra 1.7 cdti a17DTC

This car came to me as a non runner,

was told it ran ok but kept going into limp mode due to SCV, previous keeper attempted to replace injector after leak off snapped and started leaking.
they unscrewed the top of the injector?

anyway since i have replace the injector, SCV and fuel pressure sensor on the end of the rail. still wont start

i have no throttle response. it will start momentarily then shut itself off after clock sweep.

reoccurring codes:
P1297 FUEL PRESSURE REGULATOR NOT LEARNED - FAULTY FUNCTION - PERMANENT (CANNOT CLEAR)
P2452 DPF DIFFERENTIAL PRESSURE SENSOR - FAULTY FUNCTION PERMANENT

Codes read using DELPHI Diag. WRITE OPTION IS NOT AVAILABLE.

it doesnt run on spray either, before or after maf, so i am lost.

and direction would be great!

previously was getting over pressure reguralarly until parts replaced.
 

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since i have replace the injector, SCV and fuel pressure sensor on the end of the rail. still wont start
modern diesel fuel systems can be a pain in the arse.
you cant just replace parts on them, like you used to be able to.

you will most likely have to re-code the injectors, after any are replaced, or swapped around, and the new fpr/scv will need to be re-learned as well, using a similar process.

youll need suitable software, to do both setups.
 

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Discussion Starter #3
modern diesel fuel systems can be a pain in the arse.
you cant just replace parts on them, like you used to be able to.

you will most likely have to re-code the injectors, after any are replaced, or swapped around, and the new fpr/scv will need to be re-learned as well, using a similar process.

youll need suitable software, to do both setups.
thanks for thge reply bud, was told injectors should be find and it would run regardless, new scv does need learning, but it doesnt start so wouldnt even be able to thats the biggest issue ive got
 

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thanks for thge reply bud, was told injectors should be find and it would run regardless, new scv does need learning, but it doesnt start so wouldnt even be able to thats the biggest issue ive got
you might wanna check the rubber hoses, going to the dpf as well.
i think that other fault you have, might be a split hose
 
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