4.3 wont start....help please!

damie

Seaman
Joined
Jul 30, 2003
Messages
69
i have a 1999 4.3lx thunderbolt ignition system carb model in my mariah that wont start.<br />12v to coil and amplifier, but no spark from plugs, i have removed king lead no spark either from that.<br />my model has a distributer with 2 leads from it checked and both connected,by passed interupter switch still no spark.<br />has anyone any ideas???
 

navigator336

Petty Officer 1st Class
Joined
Jul 27, 2003
Messages
270
Re: 4.3 wont start....help please!

My first guess is the coil is bad. Second guess is the pick-up in the distributor or the control module.
 

imported_Mike_M2

Petty Officer 2nd Class
Joined
Jan 17, 2004
Messages
174
Re: 4.3 wont start....help please!

I just had to replace my pickup sensor due to no spark. The 3 things mentioned above are all it can be...
 

damie

Seaman
Joined
Jul 30, 2003
Messages
69
Re: 4.3 wont start....help please!

are these parts expensive and where can i buy them from?<br />thanks.
 

dahman01

Cadet
Joined
Jul 20, 2004
Messages
17
Re: 4.3 wont start....help please!

A coil is not that bad price wise pick-up in dist. a little more and a control module is not cheap at all I had to replace all on mine
 

dahman01

Cadet
Joined
Jul 20, 2004
Messages
17
Re: 4.3 wont start....help please!

Also look at marinemechanic.com to and it will give you list of how to check all of them.
 
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