Quote:
Originally Posted by blue62
Interesting that your car will not start with the MAF unplugged.
Every Boxster I have heard of will run with the MAF unplugged.
You can check your MAF wiring with a Multi Meter so you could check it's ground that way.
You can also bring it up on your Durametric and look at voltage and if you know what to look for and how to compare it to other signals like throttle position you can test it's function.
You would have to look at the wiring schematics to figure out pin outs and grounds for various circuits.
Pin outs:
On the harness connection to the ecu each wire has a corresponding connecting point to the ecu.
those corresponding points are called pin outs....they are also coded similar to your fuse box...so say your looking for fuse A1 so that would be row A and 1 would be the first fuse in row A... Harness connections are set up a similar way.
Have you every had any water get into your interior???
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I had some rain water get in way over a year ago but I removed all the carped and cleaned and sealed. It was just a little water behind the seats, nothing got to the immobilizer.
It hardly runs as is because all the readings on the sensors are out of wack. The reading I’m getting on the MAF is like when it’s unplugged….. reads -40c for intake temperature. There’s gotta be some common wire for the MAF, e gas and throttle body.
I’m getting 5v on the MAF and throttle position sensor, 30% pedal value. Throttle body does not move with pedal, reads actual throttle position at 118%. I just don’t know what would make it go out sitting in traffic. It’s been dry here for quite a while, and the car was running fantastic earlier in the day
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