Testing Fuel Injectors Fast
How to test fuel injectors for pulsing, Using a screwdriver to test fuel
injectors, How to check fuel injectors, fuel injector cleaning, how to
clean fuel injectors,
This video will show you how to test your fuel injectors to make sure they
are firing. You place a long screwdriver to the base of each injector and
put your ear to the end of the screwdriver (like a doctors stethoscope).
You should hear constant clicking. If not, then your injector isn't firing
or is firing intermittently.
Symptoms of bad injectors are a check engine light with codes P0300 through
P0308, misfiring, hesitation, poor fuel economy, stalling, and a poor idle.
Using a Multimeter to Check Fuel Injector Resistance
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EN | Bosch gasoline direct injection
Bosch gasoline direct injection as the key to clean and economical engines:
reduced fuel consumption and emissions, with enhanced driving dynamics
thanks to direct high pressure injection of the fuel into the combustion
This video in German: http://youtu.be/4-RQerhzpyM
DIY Fuel Injector Cleaning & Repair
This is the end result of a few hours of work and $60 because I didn't have
a 1/4" NPT tap in any of my kits. I could have done this for less-than
$40. The BG products were donated to the cause.
The REASON you want to use 20 PSI is precisely because of how peak-hold
type injectors work. The injector signal sends a 4v spike to open a
peak-hold type injector quickly, then maintains its open condition with
only 1 volt. Really, it's a current thing and there's a longer
explanation, but that's it in a nutshell. When you put the injector in its
operating pressure, it takes more than a AA battery to open it, but you
don't want to sustain that much current with a momentary switch and your
expensive injectors. This isn't in the video because this warning wouldn't
be as clear. Unless you can simulate the injector pulse precisely, don't
try it. 1.5v is enough to open it below its operating pressure. If you
open it and THEN apply pressure, you can flow as much pressure as you can
throw at it.
I don't discourage anyone from getting their injectors professionally
cleaned and balanced, but in my case, I didn't feel that was necessary.
In my first video, I thanked the seller for these injectors and happy to
know I got a great deal on high quality parts. My gratitude is even
greater because I had problems with them. It gave me an opportunity to
help others troubleshoot these kinds of problems when purchasing used
parts. A different idiot might have blamed the seller for peddling crap,
demanding their money back... but that would only be because they didn't
even know what they were looking at.
This particular idiot knows what high quality parts RC injectors are and
how to clean 'em. $250 + $60 still means I saved about $150 on a brand new
set. We all benefit because I bought these and I'm grateful! Let the good
525 Blown 8-71 EFI Big Block Chevy
This was commissioned by myself to custom build this big block racing
engine for my ProStreet Camaro. This engine is 525 CID
with a BDS 8-71 Super Charger that has Electronic Fuel Injection. horsepower is close to
1000 with only 8 Lbs of blower Boost
(1:1 ratio) and 93 Octane pump gas (Sunoco). On cooler days this will
easily push over 1000 HP. A change of the pulleys will Boost the HP to over 1,700. A few more mods
could push to over 2k.