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Accord fault code p1065

Hondasport

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Location
Ireland
Car
BMW 320
Hi all,
really stuck on this one, rebuilt 07 2.2 cdti engine that broke oil pump chain. When it was put back together I have a slight misfire at 2400 rpm and a major one at approx. 3500 rpm. When you drive the car it's perfect below 2400 and again to approx 3500 but then all hell brakes loose and it will go into safe mode recording fault p1065. I have replaced the fuel filter, the fuel pump, the injectors, the fuel rail complete with pressure sensor. The misfires are there if you run it out of a can as well. Then I looked farther and rechecked the timing,changed the egr valve, the turbo and the cpk. Looking at the live data the misfire showes up on the boost control solenoid duty with it jumping between 48% and 15% approx for the 2400 misfire. Don't know if this is causing the misfire or been caused by the misfire. Can code p1065 be triggered by other issues than fuel pressure? I have about 40hrs !! spent on this over the last few months so any help would be appreciated.
 
Have you run a pressure test?
 
P1065 could be a non standard fuel filter, or bad fuel pressure relief valve. I saw this once when someone put a relief valve from a Renault on because it looked the same. They are not the same spec..
 
luvmyaccord said:
Have you run a pressure test?
Yea didn't show up anything, don't know if it runs fully with my launch but I sure we did with a snap on and it passed. Failed boost test hence turbo change
 
F6HAD said:
P1065 could be a non standard fuel filter, or bad fuel pressure relief valve. I saw this once when someone put a relief valve from a Renault on because it looked the same. They are not the same spec..
Changed filter original was new oem Honda but have misfire running it out of can anyway. Changed fuel rail twice isn't relief valve on it. Yesterday it through a p0339 code for ckp so I changed that but still had misfires. Today I drove it again and this time it cut out completely would not restart until I cleared codes. Still have p1065 p0339 and now another low fuel pressure one. Up to now the only code I was getting was p1065. Could a bad signal from ckp sensor trigger this?
 
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