Nasatter Posted April 28, 2023 Share Posted April 28, 2023 My audi a3 diesel isn't starting. I've changed the fuel, filter and ancillary pump and injectors. It started but was rough idling and after driving around the block it cut off and hasn't started again. I've tried getting any air lock out and unsure what to try next. Any idea's what it could be? Quote Link to comment Share on other sites More sharing options...
Stevey Y Posted April 28, 2023 Share Posted April 28, 2023 2 hours ago, Nasatter said: My audi a3 diesel isn't starting. I've changed the fuel, filter and ancillary pump and injectors. It started but was rough idling and after driving around the block it cut off and hasn't started again. I've tried getting any air lock out and unsure what to try next. Any idea's what it could be? Hi did you reprogram the injectors when you fitted them, and were the injectors new, the only other way to find out is scan the car for faults this will tell you whats going on, its not an airlock as once running the HPFP is self bleeding. Steve. Quote Link to comment Share on other sites More sharing options...
Nasatter Posted April 29, 2023 Author Share Posted April 29, 2023 Could a faulty HPFP cause the car not to fire up? When it did fire up it was idiling very lumpy, could this be the cause. Quote Link to comment Share on other sites More sharing options...
Nasatter Posted April 29, 2023 Author Share Posted April 29, 2023 I've had the car scanned and no fault codes are coming up. Quote Link to comment Share on other sites More sharing options...
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