'89 200q solution then more problems

David Head v8q at bellsouth.net
Mon Dec 16 20:32:09 EST 2002

Did you try replacing the fuel pump relay - sometimes the aux contactor
inside won't make - causes these sorts of problems...

John David Anderson wrote:

>Well inspired today after trying desperately to trade the car off to a
>20V owner for his clean '87 quantum syncro, I went out determined to
>fix the friggin '89 or freeze my something off trying.  So as I'd
>already been through most of the plumbing I decided to go through
>electrical connections systematically, checked t-body switch operation,
>cleaned all connectors, when I got to the multi function thermo switch,
>it was ghastly, corroded as all get out, connector destroyed from
>corrosion expanding and breaking plastic.  Cleaned it perfectly, then
>just resoldered standard spades on with nice neat little heat shrink
>strain relief boots.  The two pin thermo sensor connectors in that
>manifold also prestty iffy, otherwise connectors mostly nice.  Pulled
>all the fuses and all the relays and cleaned all those and applied
>NO-OX-ID (great old stuff dad liberated from AT&T in the 70's.)  Also
>changed the lower coolant hose while I was at it.  Now after all this I
>expected absolutely nothing, I like not to get my hopes up and all.
>SURPRISE!  Started quickly, and idled much more reasonably, still a bit
>sputtery at idle but MUCH improved (I take that to be residual air
>leaks, pulling the oil cap will stop the car instantly, the dipstick
>will stop it fairly quickly.)  Now I was pretty amazed.  Turn her off
>figure I'll clean the ECU contacts as well, and what do you know,
>Intended Acceleration ECU.  The kid that traded it to me said something
>about the owner before him chipping it and doing something to the
>turbo, I took it for BS.  Anyway started her back up let it idle for a
>good 30 minutes, warmed up real nice, then took her out, right for the
>interstate (about 2 minutes away.)  The missing and stumbling from
>before at 0.3-0.8 bar were GONE, it was still a bit laggy in those
>regions I thought, but not stumbling at all.  So hit the interstate in
>2nd, pulls strong to 1.4 bar (hey I'd only seen 1.3 before), 3rd strong
>to 1.4 with boost on earlier about when I'd expect and perfect off
>throttle. Then....
>4th, only pulls up to about 1.3 and feels sort of "queasey."  5th pulls
>only to 1.1 and this thing is definitely slowing down, downshift, a bit
>of a surge but no real improvement and it starts this:
>puh,puh,puh,puh,puh,puh,puh (about 0.5 Hz frequency on the puh's)
>puh,puh,puh,puh, puhhhhhhfffffffft.  Stops dead, I coast over, do not
>shut the key off, pop the hood interogate the ECU 4444, no codes.  Turn
>it off, run the output tests, all OK.  Try to start it repeatedly, no
>go, look for big blown off air hose or the like, don't see anything,
>walk home, get her towed back.
>Well it was fun for the 3-4 minutes it lasted.  Any thoughts?
>Anybody want drivetrain parts (all solid without untoward noises or
>vibrations), Intended Acceleration ECU, nice windshield (not even
>installed yet), nice set of Boge front shocks (not installed yet),
>perfect passenger grey heated Recaro, fair drivers, 80% Khumo's on
>factory BBS alloys, all power toys work, etc?  I'm about serious on
>this, this car has no kharma for me, or poor if it does...  Can also
>steer you towards a nice '87 turbo 2wd parts car (not really parts it
>purrs like a kitten and runs strong, but it is an '87 autobox afterall)
>probably available for $800 or so, maybe less.
>janders1 at mix.wvu.edu

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