ignition coil module testing echo cs-400

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A better test for spark is to do the "sparky" test with a spare plug that has the gap opened up to about 0.060". Since it is harder to fire the plug in the engine under compression than out in free air, this will be a better test for spark energy. If it fires this gap outside the engine, it should do the same inside.
 
How many turns out are the low and high, if around 1 1/2 or less it will never start. Start at 4 turn out and then gradually back in. Steve
Hi Steve i got that bastard fired for the first time since a long long time but she ran for 2 to 3 minutes and stall never ran again do think it's a needle probrem ??? it's seem to get flooded . thanks for help you gave me the best advice yet. i still hate that saw
 
Do what he says, his an expert on Echo. If all else fails I may have a coil from a CS-4400 pretty much the same saw.

Merry Christmas
i got it fired again but not for long i have done what the expert said 4 tuns on l and h and now it's turn to carb issue now !!!
Happy Holidays to you!!
 
Well, at least you didn't buy a new coil.......
nothing is cheap on these saws carb =100$ coils ??? parts are so high expensives that peolpe don't want to pay for fixing them just put in junk and an buy another one every things now are not made to last long like old days.
 
nothing is cheap on these saws carb =100$ coils ??? parts are so high expensives that peolpe don't want to pay for fixing them just put in junk and an buy another one every things now are not made to last long like old days.


No reason ever to buy a carb unless it has thousands of hours and the throttle shaft is worn out. A new oem coil is $63. Never has trouble with a bad coil or a wore out carb on any Echo. Steve
 
i have rebuilt the carb with new a complete kit . this chainsaw as not more than 10 hours of prunning branches and fire wood first bar chain sharpened once or two time it's was hard to start from first and last time i have used it. I bought this saw brand new from e-bay guy that remove serial number from saw so no warranty at all got screw . i had partner saw, jonsered Shindaiwa 695and 377sthill my new used saw is a Jonsered 2159 . (echo cs-400)this worst saw that a have bought i will try again with new setting soon . here lot snow this winter -20 celcius tonight . thanks for help .;)
 

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