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Stutter at part throttle... SOLVED (I think) Posted by Justin VanAbrahams [Email]  (#32) [Profile/Gallery]
(more from Justin VanAbrahams) on Tue, 16 Oct 2007 10:48:25
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Although it isn't necessary, I want to tell the full story, so bear with me....
I spent all day Sunday working on my XR4Ti, installing coilovers and stronger wheel studs and doing some general maintenance. It took all day, and when I got it done I decided to go out for a test drive...
The '92 900Tc was in the driveway, so I needed to move it to get the XR out. I jumped in, and found out quickly there were no clutch hydraulics - no resistance at the pedal whatsoever. Spontaneously. Weird. Nothing under the car, no apparent lost fluid - dead master cylinder?
I've never had a master cylinder die overnight, and it had been fine the night before on a very long drive. I decided to do a quick bleed of the system to see if maybe I could at least get it to movable. I have no idea what actually happened, but new fluid (second flush in a year...) fixed it.
Went to move the car again - only to remember my keys were in my girlfriend's truck, and she wasn't home. Crap. Fortunately, a while back I made a neat little device that attaches to the ignition switch wires and bypasses the key entirely, allowing me to power up each circuit individually (really nice for troubleshooting - and stealing Saabs). Since my reverse lockout is broken (thanks America's Tire Company!) the car was totally drivable without a key. Sweet.
Started the car, and, oddly, the starter didn't make it's normal "Help me I'm dying!" noise. And on a drive around the block it didn't stutter or lurch at all, so I kept driving it to let it warm up...
Well, I've left the starter switch thingy in the car for two days now, and the car has been flawless. No noise from the starter in the morning, and the car has been running perfectly. And, the clutch has held up. And strangely my voltmeter is now holding at 13.5v-13.8v instead of 14.0v. And the car doesn't nearly stall when the cooling fan kicks on.
Could a bad ignition switch have been responsible for bad running all this time? I'm not really sure how since I thought pretty much everything injection and ignition related was powered via relays, but...?
I'm gonna give it a few more days, but I feel pretty good about this so far.
posted by 207.15.18...
, Tue, 16 Oct 2007 10:48:25 <-- Viewing This Message, Tue, 16 Oct 2007 14:00:42
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