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Unread 04-20-2009, 11:09 AM   #1
yasika116
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1998 ZJ 
 
Join Date: Jul 2006
Location: orange county ny
Posts: 103
Weak Spark!!! 4.0

ok guy i just did a motor swap on a 98 grand with the 4.0 i had weak spark when i got it in and ithe coil had a crack in it so i replaced the coil today and same thing. im wondering if i have a bad or dirty ground to the block.


what do you guys think??

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Unread 04-27-2009, 08:29 PM   #2
yasika116
Registered User
1998 ZJ 
 
Join Date: Jul 2006
Location: orange county ny
Posts: 103
answer? was the crank position sensor
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