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Hello all. I have a few questions about an NA 940 I recently purchased. All around she's in great shape for a 12 year old car ('93) and has a fairly thorough dealer history up to 120,000 miles (now has 126k). I previously owned a 740 up until a year ago, when she finally gave up the ghost at 248k miles. Main question is motor I.D. What are the main diffrences between the b230f and b230fd in the 940 have?
Also, when starting up the 7, it'd fire on the second crank every time (chut, chut, VROOM), however the 9 takes 4-6 turns. Am I just being picky, or is this normal. I have noticed that if I start, shut off, then refire the engine, it'll fire faster and run better than if I just let it run. Odd. I've yet to clean the IAC and throttle body, will do today. Also have a cold start lope/misfire that'll last the first few seconds after startup, mainly in cold weather. I can't seem to get the timing right either. I can adjust the distributor, and feel a diffrence in the engine, but the timing mark won't budge? I can feel the timing float or drift while driving sometimes too. My first thought was hall sensor, as was the prob on the 740, but have realised I don't have one... Could RPM sensor cause this? Thanks to anyone with answers.
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