timing light ? - JeepForum.com
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post #1 of 4 Old 08-05-2009, 06:46 AM Thread Starter
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timing light ?

Can you use a timing light to check timing on a 93 ZJ 5.2L? If not can anyone explain why?


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post #2 of 4 Old 08-05-2009, 06:50 AM
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Timing is not adjustable on any modern vehicles.
It's all computer controlled.

'09 JK Rubicon
'01 XJ Sport
'10 Fusion
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post #3 of 4 Old 08-05-2009, 07:19 AM
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1994 ZJ 
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Of course you can use a timing light as the marks are there on the crankshaft pulley. You may have to clean them with some scotch-brite. I found it much easier to see the marks at night. Itís hard to find info for timing specs if I remember correctly (something like 8 to 13 DTDC). But at least you can monitor where it is currently, even though you cannot adjust it. I checked mine when I was failing Smog tests.

Cheers Steve

94 Black Laredo 4-Liter with QuadraTrac (42RE trans & NP249 TC) 200,000 + miles purchased new

88 Cherokee 2-door with 5speed manual 139K miles(deceased) purchased new
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post #4 of 4 Old 08-05-2009, 10:16 AM
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1993 ZJ 
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put a mark with a paint marker on the notch that helps you see it way better
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