cheap oscilloscope for sensor waveforms - JeepForum.com
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post #1 of 3 Old 07-12-2019, 08:04 PM Thread Starter
2oldjeeps
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2000 XJ Cherokee 
 
Join Date: Aug 2017
Posts: 1,062
cheap oscilloscope for sensor waveforms

this is $16 but beware of details. i got one with no case!!. from china.
these are ok for car sensors like cam and crank, the only way to really check them.
shop ebay.
ill find another for 25 that i like.

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Last edited by 2oldjeeps; 07-12-2019 at 08:18 PM. Reason: add pix
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post #2 of 3 Old 07-12-2019, 08:20 PM Thread Starter
2oldjeeps
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another pix, this is a nice one, now under 25, dso150
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99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #3 of 3 Old 07-15-2019, 03:07 PM Thread Starter
2oldjeeps
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2000 XJ Cherokee 
 
Join Date: Aug 2017
Posts: 1,062
here are waveforms from a running 4.0 crank and cam sensors.
the only way to really know, now under 30 bucks.
oops cam top,crk bottom.


btw,forget the top scope. the bottom one is easier to buy and work.
Attached Thumbnails
aa cam sensor.jpg   a cps 1.jpg  
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99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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