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1994 lancer 4G92 1.6 sohc no spark

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Old 05-26-2014, 10:58 PM
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Default 1994 lancer 4G92 1.6 sohc no spark

1994 lancer 4G92 1.6 sohc no spark
just wondering what would cause it to have no spark, i have replaced the distributor with no success, does this model have a crank sensor? any other things i could try as im new to working on Mitsubishi
cheers guys
 
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Old 05-27-2014, 02:29 AM
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why did you replace your distributor?

test some things. like. ignition coils, leads and plugs.
you can probably assume the new distributor is good, but make sure it was put in good, too.
or do you just mean distributor cap?
i'm sensing disappointment again.
 
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Old 05-27-2014, 03:38 AM
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i replaced the cap and rotor first, as it had no spark, that didnt work, so i was talking to the local Mitsubishi service shop, the guy there was pretty sure that it was the coil in the distributor so i got another from the wreckers swapped them and no spark still i have used a brand new plug to test for spark... the reason i was wondering about the crank sensor is ive had the same problem with a Ej20 Subaru and it ended up being a faulty crank sensor?
cheers
 
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Old 05-27-2014, 05:37 AM
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the coil volatge must collapse to make spark.
An oscilloscope will tell you if it is. At a pinch an led test light usually will too.

If that signal comes from a crank sensor, then yes. I dont deal with electronics, but it may be a test/clean thing.

Coils can be measured with a fair level of certainty.
Swaping it "because a guy reckons it might..." that guy should be punched.
 
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Old 05-31-2014, 12:32 PM
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did you check the timing marks/belt ???
 
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Old 05-31-2014, 02:41 PM
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Originally Posted by mxmikie View Post
did you check the timing marks/belt ???
wouldnt prevent spark, just have it at the wrong time.
 
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Old 05-31-2014, 03:36 PM
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I would bet it has a crank sensor. Any cheap scan tool should show a crank sensor reading. If you don't have one your just throwing money down the drain. I have had people change a lot of parts for a no spark and it ended up being very simple fix but without proper tools guessing can get expensive. Do you have a tachometer in your car?
 
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Old 06-24-2014, 02:17 AM
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Originally Posted by Hon450 View Post
I would bet it has a crank sensor. Any cheap scan tool should show a crank sensor reading. If you don't have one your just throwing money down the drain. I have had people change a lot of parts for a no spark and it ended up being very simple fix but without proper tools guessing can get expensive. Do you have a tachometer in your car?
I have just dragged the car out of my garage to day as ive got some time off work to have another go at fixn it, and yes its got a standard rev counter/ tachometer?
 
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Old 06-24-2014, 08:26 PM
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get an oscilliscope on the output of your crank sensor.
 
  #10  
Old 06-27-2014, 12:51 AM
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Originally Posted by Akzle View Post
wouldnt prevent spark, just have it at the wrong time.
well then tell me princess what turns camshaft ???
 

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