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4.3 tbi problems
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<blockquote data-quote="wazz" data-source="post: 797688" data-attributes="member: 16269"><p>by pre-fire im guessing you mean the the injectors are not spraying fuel while its cranking? I ask cause I have never had any GM TBI ignition modual effect that. Far as i know GM TBI's choke is simply the cooalnt temp sender efecting the injector on time and the IdleAirControl position and thats just to bump up the idle.</p><p></p><p>here is a copy of how your ignition module is wired, as you can see there is only 1 output signal and if that didnt work you would not run at all, Really I think your barking up the wrong tree with the module. </p><p></p><p><img src="http://www.molalla.net/%7E2000auto/91Chevy4.3L.ECM%20wiring/ESC.91.chevy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="wazz, post: 797688, member: 16269"] by pre-fire im guessing you mean the the injectors are not spraying fuel while its cranking? I ask cause I have never had any GM TBI ignition modual effect that. Far as i know GM TBI's choke is simply the cooalnt temp sender efecting the injector on time and the IdleAirControl position and thats just to bump up the idle. here is a copy of how your ignition module is wired, as you can see there is only 1 output signal and if that didnt work you would not run at all, Really I think your barking up the wrong tree with the module. [IMG]http://www.molalla.net/%7E2000auto/91Chevy4.3L.ECM%20wiring/ESC.91.chevy.jpg[/IMG] [/QUOTE]
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