do i pull one injector and put it into a baby food jar and then run the car for 5 minutes - repeat this on each injector?
jim
Put all four in baby food jars .... crank engine for 30 seconds*** ... you are looking for:
Spray characteristics ... nice conical mist
Volume of each
Disconnect coil so you don't produce any spark.
*** To avoid overheating starter ... 30 seconds max ... then let it cool.
thanks - jim
on D jet - do 1 and 3 fire at same time - same for 2 and 4 ??
or is this only with L jet?
You can make a grid and measure the pattern of each injector too. Flow rate is easy. If it hasn't been done before, the o-rings should be replaced too.
I had a problem after a motor had been sitting for some time. Bosch makes an injector cleaning machine that measures everything. Injector places have them.
But I got instant results by soaking the injector tips in fuel and injector cleaner, and hooking the injectors up to a power source on my bench to get the wires moving.
Got them cleaned professionally after the car ran properly... just to be sure I had a baseline for each.
You should pull the spark plugs to allow the motor to turn easier.
Rich
good point - thanks - jim
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