This is my first post on here but the lads on my usual forum (Jeepforum - American site) dont seem to be able to help so I thought you experts would be able to help! Looked on here lots bit this is my first post.
I have a problem with my 2004 Grand Cherokee 2.7 CRD cutting out on full (3/4 plus ) throttle. I had two fault codes, cam position sensor (P0340) and P1130 (fuel rail pressure sensor). Have cleaned / checked contacts on CPS and the code went temporarily but is now back (made no dif even when code was not present - still cut out on full throttle). Is it really the FRPS or is that just a side effect. Have tested it and all the voltages read good. I recently replaced a low pressure fuel line (from botton left of the lower pump (front of engine) to the top right or the top pump - split pipe) so have i caused the prob some how?
I have noticed that when stone cold it does not cut out (not that Im in the habbit of revving a cold engine!!) but as soon as the temp guage lifts off the bottom it happens. Car drives perfectly otherwise, usual fuel comsumption, no leaks or strange noises. Can drive as fast as i like as long as I dont accelarate at full throttle. When it cuts out it will immediately restart as normal with no codes or fault light!! Very annoying.
Anyone have any ideas at all what might be causing it? Could the CPS cause this at only full throttle - seems unlikely to me. I woyuld expect probs at other times
Have checked / cleaned MAF. Test FRPS. Clean/ checked contacts on CPS.
Looking forward to you replies (hopefully). Cheers. Dean.
