Opinions Wanted-Which years?

[busdaddy]

FI gets a bad rap because nearly everyone is dealing with a system that has been neglected for almost 40 years, replace the petrified rubber hoses and seals and clean/tighten the electrical connections and it's ready for another 40 years of neglect. There's also the mechanic who thinks it works by some sort of witchcraft so they make no attempt to understand it, in reality it's very basic and easier to fix than a carb problem. The only "special tools" required are a pressure gauge and a volt/ohm meter, with those you can test each component and prove it's faulty before just throwing parts at it.
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[williamM]

AND- a quick look at the sparkplugs can send you in the right direction for repairs. Maybe there is a trouble shooting manual out there like the T3 trouble shooter- that was a basic "If - Then" book.

Basically you check one system at a time depending on the symptoms--

1 start- crank? fuel pump running-- injectors firing? ignition?

All simple to check -

You get into trouble and abandon the system when you have multiple failures. and co-joined symptoms.- but methode is the key-

love reaching for the key and have it spring to life- no pumping the throttle- revving it up-- it just works.
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[skills@eurocarsplus]

[Wildthings]

The L-jet fuel injection system is decently dependable and easy enough to fix. Some people just don't make much of an effort to learn about the system and how to maintain it. This includes a lot of people who work on these cars for a living. I can guaranty you very few people ever go step by step through the diagnostic procedure given in the manual. They will fight their systems for days to avoid doing this 15 minute job, this too includes professional mechanics who are charging you for your time.

The biggest problems with L-jet are vacuum leaks and the O2 sensor, most of the rest of the parts have a very long life and seldom give trouble even after 40 years.

[busdaddy]