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2007 IS350 dead. Code P0200. P1235. Any Help?? update. problem solved
Hey guys any help. My car just stalled and doesnt start. if i unplug the battery it does start then stall again. i can hear some sound under the intake manifold. I was able to drive but kept stalling.
Hmmm....injector circuit malfunction? What i would do is look for cylinder 4 and find the injector. Trace it's wiring. Could be a loose plug, a short in the wire or your injector may need to be replaced.
Did you by chance replace your waterpump or do any work there? Check the injector driver ecu box at the front of the engine- did one of the 4 connectors work loose or similar?
If you are handy with a wrench and DIY, I'd recommend moving the #4 DI to another cylinder and see if the CEL code follows that DI or statys with that cylinder. It'll help narrow down the root of the problem.