505 N9TEA Black Smoke Resolved
From: ganunez (nunezg1@bsci.com)
Date: Sun 04 May 2008 - 21:43:59 EDT
The lumpy idle and gobs of black smoke when on boost finally cleared
up after a few hours of cleaning electrical plug connectors around the
engine compartment. The colored connectors at the firewall were all
undone, cleaned and reassembled. (tip: first run the car for a couple
of miles so the wires become flexible).
I used a product for cleaning plug connectors called CRC QD
Electronic Cleaner. These firewall plugs were really difficult to take
apart and push together. So after they are apart, a good spray on both
sides of the plugs and some compressed air the plugs would actually
click together.....something they couldn't do before. Quite amazing.
I used up 3 cans, undoing all the connectors in the engine, spraying,
blow drying and reaasembling.
I also took out the intake to see if the accordion hose had a leak or
if the big O rings on the intercooler pipe had broken...but all was OK.
I also made sure the vertical air pipe that feeds the intercooler was
properly sealing and aligned.
The car ran perfectly normal after this ......we took it on a 45 mile
trip to South Beach and around and back, all OK.
George Nunez
89 Turbo wagon 216k miles
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