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Goood idea with capping the exhaust! I was thinking recalibrating wouldn't help either but figured it was worth a try. Any way to test the sensor when its out other than the free air/saturated rag test? I will also check for exhaust leaks while I'm under there.Quote:
Originally Posted by KeithMac
Updated the first post. Just install new fuel pump, filter, regulator, and a 98 ECU and seems like the original problem is there in addition to a new one.
Also wanted to mention I relocated the injector resistor pack to a painted area. Does this need to be grounded?
Yes, sand down the area where it connects.
Still have yet to try some of my ideas (haven't been home in a while), but any idea why the TB nipples have no vacuum? Do I have the wrong gasket? Need to modify the gasket?
Alright I haven't been at the car for a while (I'm at school), but my Dad said he took a look at a few things:
Swapped the MAF with a '97 SL, no change.
Grounded the injector resistor pack, no change. He also said it doesn't look like it needs to be grounded.
Took out the wideband and put a rag saturated in brake cleaner around it. AFR gradually and erratically went to 10:1 the first time and the second time it went a little more smoothly/quickly. When he took off the rag, it would slowly move to around 15:1 and bounce around there for a long time before it went to 20:1. The guys at Innovate said they've never heard of this before but they have no suggestion other than to try changing the sensor.
Even if the sensor is bad and causing a wacky AFR, the car is still idling bad now, however. Any ideas? I keep thinking it has something to do with timing since the datalogger is saying the timing is jumping around at idle. Could be anything, though.
Also, any idea why the TB nipples don't have vacuum. Did STM send me the wrong TB gasket (the little holes in the TB that look like they correspond to the nipples are covered by the gasket which looks like it has indents where it should be cut out)?
Thanks!
That's definitely not a good gasket if the holes aren't cut out.
So there should definitely be holes there?
Do the NAs not have nipples up there and maybe I got the gasket for a NA? Guess I'll have to contact STM lol
Wait my bad, I misread what you said. There is just dimples there.
Hm.. Well that is wierd. Do you know how the nipples get vacuum? I was looking when I had the TB off and couldn't find any connection between the nipples and the intake tract.