![]() Yesterday my engine stalled and wouldn't restart. The guy at the shop says I need a new ECM but the. Had a diagnostic show the PO603 and Po470 back pressure exhaust sensor which I know I have a 6in all the way out. P0603 and P0470 2001 7.3LI have had my check engine light come on for about 3 seconds and in that time there is no throttle.2002 F250 7.3L P1273, P1280, P1293 & P0603 codesHave a 02 F250 with 7.3L diesel engine, turns over won't start scanner came up with the following codes- P1273 P1280, P1293 and P0603, have checked the fuel pump it's good, rebuilt return fuel pressure needle & seals, new fuel filter, new cam sensor, new ICP sensor, still won't start.99 Cadi deville northstar p0603Ecm has detected an electrical condition on driver module.Full throttle boosts only 10psi and it has a chip. Low boost with DTC P100, P0603 ,P1247Truck has been to several shops, and have added differant componates here and there.p0603i have a 1996 ford powerstroke, and i am getting a p0603 internal ctrl mod kam error, what does this mean :?.I replaced all 6 spark plugs, cleaned the throttle body, check and cleaned all 6 fuel injectors and replaced both cra. Still can run the engine with poor idle but, can't drive it due to poor idle problem, not enough power to drive the truck. 2006 nissan frontier P0603Hi my Nissan truck stalled on me one day with code P0603.
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