Why won't my 1985 Jetta (gas) start when the outside air...

Answer by JAVIER CARRION
Submitted on 8/8/2003
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IT IS A COMMON PROBLEM WITH JETRONIC MECHANNICAL INJECTION (OR "CONTINUAL INJECTION SYSTEM"). SOMEHOW , THE MIX IS VERY LEAN , IF THE TEMPERATURE OUTSIDE IS HOT , AND THE ENGINE HAS BEEN RUNNING FOR A WHILE AND LET TO REST FOR -SAY- 1-2 HOURS. DURING STARTING CRANKING , THERE#S A SPECIAL SOLENOID WHICH PUTS EXTRA FUEL (ONLY WHEN STARTER ENGINE IS CRANKING) -HENCE THE "BRIEF" ENGINE RUNNING . GO TO ANY PORSCHE 924 WEB /GROUP (THEY HAVE THE SAME ENGINE , AND MUCH , MUCH WORSE ENGINE OVERHEATING) AND LOOK FOR REMEDIES ON "HOT START STARTING" . THERE'S EVEN A FIXING KIT , IN WHICH YOU CAN "ACTIVATE" A HOT START SOLENOID FROM YOUR DASH . ITS ABOUT 45 US$ Any doubts , pls mail me Francisco_javier_carrion@hotmail.com

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Question by Bill
Submitted on 7/27/2003
Related FAQ: N/A
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Why won't my 1985 Jetta (gas) start when the outside air temperature is above 90 degrees? It runs for a second and then cuts off.

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