90' 740 Turbo Trouble Codes

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Old 02-12-2009, 10:29 AM
djeep242's Avatar
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Default 90' 740 Turbo Trouble Codes

I have been playing around with the self diagnostics on my 740 Turbo. The Check Engine light is illuminated and is showing 2 codes for the fuel system and 1-1-1 for the ignition(sweet). I'm pulling up a 1-1-3 code for fuel injectors and a 2-3-2 for Lambda adjustment. I'm assuming the two are related and was wondering if I can take resistance values across the injectors to nail a problem one or am I going to have to take the injectors out and test each and everyone for proper spray pattern and dripping? The car starts fine hot & cold, idles smoothly @ 750rpm's, no hesitation or stumble while being driven, no smoke out the tail pipe, and pulls 18 in. of mercury @ idle hot and boosts up to an impressive 6 psi under a load and WOT. Any ideas? Like to turn that light off and get some more MPG's. Another question I have is about the flame trap/PCV system. I seem to have an unusual amount of crankcase pressure building up causing oil being flung up by the cam to be pushed out the oil cap. I'm assuming I need to pull the flame trap, and any associated pieces to clean/replace them. Taking this into a worst case scenario, I'm assuming the passages on the block that feed the oil trap are plugged as well. Whats the best way to tackle this scenario? Any and all info. is greatly appreciated! Thanks in advance!
 

Last edited by djeep242; 02-12-2009 at 10:33 AM.
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