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B3000 no spark condition


79Camaro

Active Member
Joined
Aug 18, 2010
Messages
43
City
New Jersey
Vehicle Year
1994
Transmission
Automatic
First post here and looking forward to learning many new things here.



I recently acquired a 94 B3000 that has a few problems. I have been working on the truck in my driveway for a few weeks. So far I have done a basic tune-up... oil, spark plugs, fuel filter, distributor cap and rotor. It also needed a new battery and fuel pump. After all that stuff the truck was running good, until the morning I tried taking it to get inspected, and of course it wouldnt start. The engine cranks but wouldnt fire up. First things first I went to the distributor because I know that it is losse , I tried advancing the timing and retarding it knowing it had worked in the past when I first got the truck. That didnt work this time so I pull a spark plug, grounded it to the intake manifold and had someone turn the key, there was no spark. After a few hours of trial and error I could not find the problem. The last thing I did was check the main relays. Knowing the three fuses are the same, I switched the A.C relay with the E.E.C relay then tried to start it again, and finally it started up. I then turned the distributor so its idling at 600-800RPM as I dont have a timing light. So would a bad E.E.C relay cause no spark? I dont want to drive somewhere and be stranded.



-Dylan
 
If it runs now you obviously have spark so try pulling the eec relay and see if it still has spark.
 
If I am going by what you are describing, you swapped relays with the AC then I would say that the Relay was bad....
 
If it runs now you obviously have spark so try pulling the eec relay and see if it still has spark.

Man I cant believe I didnt think of that last night, I just when outside and reversed the two relays and no start. The reason I was questioning the EEC relay is because when I researched it online I read that it wouldnt cause no spark, but would cause the fuel injectors not to fire. Thanks for the replys.
 

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