Engine dies when heat soaked

John S. Lagnese jlagnese at massed.net
Wed Aug 20 20:18:32 PDT 2008

Oxygen sensor? Try to unplug it and see what happens.
----- Original Message ----- 
From: <riceballdr at aol.com>
To: <200q20v at audifans.com>
Sent: Wednesday, August 20, 2008 9:11 PM
Subject: Engine dies when heat soaked

> Hi My 200 Avant has been running fine all summer but on Sunday leaving the 
> JFK airport I got about 1.5 miles and she died. Would crank but no attempt 
> to start. Waiting along the center barrier of the Van Wyick I checked 
> fuses and a few other things,had the hood open and about 20 minutes the 
> car started. I got off the highway and onto the service road. Got about 2 
> miles and she died again. Waited for a rollback and once again car 
> started. Got it home (90 miles) thanks AAA. Next day let it run ac on hood 
> closed and after 15mins it died. Checked spark and did not have any. Mr 
> Bentley showed values for the coil and it was high between the two small 
> posts and returned to limits when cooled and of course the car started. I 
> got the new Bosch coil which looks just like a normal round coil not the 
> little square original one. I put it in and took it for a test and got it 
> warm. Got back home and left it running with the ac on and after 10 
> minutes of idling she died again. Swapped the fue!
> l pump relay with a new one just to check and still no start. Fans are 
> working and car stays on the normal temp range. I still think its an 
> electrical problem that happens with heat soak I?thought I had found it 
> with the coil. Would something in the distributor cause loss of spark. I 
> will dig a bit deeper into my Bentley but I thought someone else might 
> have had this problem. Wife says to buy a new Toyota. Second time car has 
> been flatbeded home.I do 90 miles one way and the Avant got 152,000 miles 
> on it. Thanks Richard
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