Has happened any time of day-6am-9am-4pm. (at home almost daily) Then has started in 10 or 20 min. or 90 min.--or?? Sometimes sputters like it's trying to start but doesn't. 1 or 2 times it started rough then smoothed out.Has been at garage 5 days-never failed to start-nothing shows on scanner. No difference using original key (warn some) or new key.
Engine periodically just turns over fine but doesn't fire. Later starts OK. on 2006 Isuzu i280 Pickup
CK FUEL PRESSURE HOT AND COLD AND WHILE DRIVING
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My i280 does the same thing, let me know if you find the problem.