byler900f
Need a Spot
Reged: 07/05/07
Posts: 1
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I am working on a 1992 4runner that my father and i purchased a few months ago. When we bought the truck, we knew it had a blown head gasket. We had the heads reworked and pressure tested by a local machine shop and put the beast back together. when i tried to start it for the first time it fired up and immediately went dead. I started by checking timing first, then checked the fuel circuit. That is when i found that my injectors are not pulsing.(I determined this by using a noid light) From that point i starting chasing the ground circuit. I can manually ground the injector pin on the ecm and make the injectors pulse well enough for the vehicle run. I then replaced the ecm, and it does the same thing!!!!  I have checked every ground that i could find and they all seem to be good. I also replaced the air flow meter and still nothing. I have checked the efi relay and fuse and they are working properly as well. I am thinking that the distributor is the last link. If anyone knows anything or has had a similar problem please help! Thank you for reading this, sorry for being so long winded!
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Kutter
Wheeler
Reged: 08/30/05
Posts: 229
Loc: Kansas
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It starts then dies? This can happen if the air intake hose is not completely assembled or if the plug is off of the MAF. Just one idea.
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1995 4Runner Limited V6 3.4 Liter 5 Speed 4x4
1995 4Runner V6 Auto 2WD
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yotaman1224
Getting the Wheeling Fever
Reged: 07/01/07
Posts: 81
Loc: dunnellon, florida
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do you have the ecm bolted down and grounded out?
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