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Testing and Cleaning Injectors?
.I have a 74 450SEL with 258K miles. I've only owned it a short time. It's down on power. Sometimes it runs o.k.-other times it misses.. I'm going to check out the secondary ign. system-plug wires etc.
I've run Techron in the tank- but is there an easy way to tell how an injector is flowing? Is there a way to test or clean them thoroughly if I took them out? New ones are so expensive, I don't want to just go throw parts at the car. Junkyd. injectors are available for next to nothing, but still- how to determine if they are good? |
Do a search and you will come by a post by Tomguy. It tells how he made a transformer? and used it to supply the injectors with power while they were immersed in carb cleaner. Do a search and I'm sure you'll see it. I'm not good with those kind of electronics so I don't understand how he did it.
David |
I searched for Tomguy and couldn't find the article. Can anyone help with the link?
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Maybe you don't need the link. I've cleaned injectors myself. What you DON'T want to do is apply direct 12v to the injector! That may fry it. It takes 1 to 3 volts to energize the injector. I typically increase the voltage until the injector opens. Besides a power generator I have access to an ultrasonic cleaner and a wide variety of solvents. A search of injector cleaning fluid has led me to believe they are mostly xylene based. I think the combination of ultrasonics and reverse flushing is what properly cleans an injector.
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