Eric, A few years ago, I had a similar problem with an '86 GLHT. I replaced the in-tank fuel pump first, but it still had the problem. Replacing the external pump did the trick. These are both factory pumps. The in-tank pump is a low-pressure pump. The external pump is a high-pressure pump. The factory upgrade is to replace both with a high-pressure in-tank pump, which is what the factory used on the '87 Shelby Charger and '87 GLHS. A fuel pressure gauge is a big help in diagnosing this problem. That external pump is subject to a lot of heat. On a 95+ degree day, I managed to limp it into a Pep Boys and replaced several items: including the ignition coil and the Hall-Effect unit. The following day I was able to drive it home (85 miles) in the cool of the morning. My wife did a lot of driving in shuttling me back and forth. Sam Snyder '86 GLHS '87 S. Lancer '85 GLHS '90 Turbo Van >>>>Original Message:>>>>>>>>>>> Date: Tue, 13 Mar 2007 18:41:26 -0700 (PDT) From: Eric Norris <[EMAIL PROTECTED]> Subject: SD> '86 GLHT possible vapor lock
I am the original owner of an '86 GLHT, ... When the car is hot and the weather is warm to hot, car running for 45 minutes, all speeds. Shut off, parked for 5 minutes, restarted and drove for another 5 miles. Then it started loosing power, and the engine dies. Just like it ran out of gas but it didn't. If you set there for 5 minutes and try to start it it may run, but not well and the fuel mixture gauge reads LEAN. Set for another 10 minutes and then ... During this time the fuel mixture reads rich like it usually does when operating normal at idle. ... there are a lot of original parts on this car. It even has the recall / service bulletin where they have changed/ added (I don't remember now) where there is a secondary pump outside of the tank ( This was to fix the buzzing sound w/less than 1/4 tank). I am open to your input, Eric Norris Cols Oh '86 GLHT -----------------------REMOVE-FOOTER-WHEN-REPLYING---------------------------- Questions? Visit http://www.sdml.org/ To be removed, visit http://www.sdml.org/pages/leave.html
