Originally posted by nando
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89 325ix starts then dies
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So I finally got the car to start but it runs really bad. Its definitely dumping fuel. What I need some assistance with is what tells the ECU the engine needs more fuel? I replaced the TPS but I'm not sure the best way of adjusting it. One of the screws is al mlm ost impossible to get to with the throttle body installed.
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Glad you got it started finally.
What do you mean by running bad? Dumping fuel?
Post a vid maybe.
And major props for you sticking with itI BUY/SELL REFURBISHED CM5907s & CM5908s
HOWTOs:
DB vert plastic bumpers
OEM Keys
MTech1 docs
88 ix Lach/Card
91 ic Calypso 3.1
86 Cosmo 2.7
OEM+ or bust!
reelizmpro: I will always be an e30 guy.. I still do all of my own labor
TrentW: There's just something so right about a well-built M20 in an E30
e30m3s54turbo: I save my money for tuner parts.
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Originally posted by bradnic View PostGlad you got it started finally.
What do you mean by running bad? Dumping fuel?
Post a vid maybe.
And major props for you sticking with it
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Originally posted by RWD BLOWS View PostThank you I've really been struggling with it. I will try to get a video but by dumping fuel I mean it's running very rich. So some sensor or a combination of sensors must send information to the ECU to tell the fuel system how much fuel to send to the engine. Like maybe the throttle position sensor. I replaced it with a brand new one and I set it to what I thought the old one was serlt too. But it may need some adjustment but I'm not sure.
Max
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Don't know if anyone mentioned this yet but I had a bad no start issue a couple months ago. Check/test the blue temp sensor on the t stat housing. Its the one that talks to the DME on start up on how rich/lean to start depending on temp.
I'm pretty confident that is what caused my issue which was super rich on start up. After that I kept pulling the plugs, drying them off, flood clearing the engine and still no start. I eventually put new plugs in and it fired right up. I didnt suspect the plugs at first as they were only about a month old. I guess they sat for so long in gas they just fouled out beyond repair.sigpic
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So apparently you can put the harmonic balancer on wrong. It is keyed but you can still line up the 6 holes and thread the bolts in. When I did that it pushed the indexing pins in so the harmonic balancer was just spinning and the infinite was sending to the DME and not in time even though the motor was actually in time. Working on the car from the top I couldn't see it when I was installing it so I went by feel....think it was keyed and would only go one way but you can actually fuck this up....ask me how I know haha
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Originally posted by Alpinerunner View PostWow that's crazy. It's "keyed" via the index pin, not the bolts, but I can see how it could feel evenly seated into the hub even if against the pin. Great find and props for sticking with it!
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