67 camaro ls swap "wont stay running"
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I'm having an issue with my ls1, I put into a 1967 camaro. When I go to start the motor it will run for anywhere between 5 seconds and 25 seconds and shutter off. Similar to a vac leak, and I dont think there is one. I also notice that I am not able to rev the motor.
my thoughts,
I dont have the iat installed yet, nor the o2 sensors as im still building an intake and the wires on the 02 sensors are not long enough. But it still seems the motor should be able to run without them.
thanks in advance for any help!
my thoughts,
I dont have the iat installed yet, nor the o2 sensors as im still building an intake and the wires on the 02 sensors are not long enough. But it still seems the motor should be able to run without them.
thanks in advance for any help!
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The computer went out to Wait4meperformance, So I called him today and he said it's deleted. There are no codes in the ecm, i even unplugged the maf just to make sure the computer was reading codes and got a code for it. Guess i will have to send it back to him to check and see if vats is gone.
eveytime I restart the motor it runs and shuts right back off....
thanks guys...
eveytime I restart the motor it runs and shuts right back off....
thanks guys...
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#8
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Typically vats will cause it to stall almost right away. Not 25 seconds later. I recommend that you hook everything up and then try starting it. The IAT is essential for fueling. O2s not so much, but still, get everything hooked up.
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#9
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Thanks for the suggestions, I'm boxing the computer as we speak... I wrong on 25 sec more like 8 to 10 max.... Just tried to start again and recount. Will update when I get it
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Before the ECM is sent back, did you connect the IAC?
An alternative to deleting the VATS is to buy a signal generator for $25 from ebay. It will simulate the signal that the BCM sends to the ECM to enable fuel delivery. This generator can be installed with a hidden switch, so that you'll have some sort of anti-theft in your car. Just a thought.
An alternative to deleting the VATS is to buy a signal generator for $25 from ebay. It will simulate the signal that the BCM sends to the ECM to enable fuel delivery. This generator can be installed with a hidden switch, so that you'll have some sort of anti-theft in your car. Just a thought.
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Before the ECM is sent back, did you connect the IAC?
An alternative to deleting the VATS is to buy a signal generator for $25 from ebay. It will simulate the signal that the BCM sends to the ECM to enable fuel delivery. This generator can be installed with a hidden switch, so that you'll have some sort of anti-theft in your car. Just a thought.
An alternative to deleting the VATS is to buy a signal generator for $25 from ebay. It will simulate the signal that the BCM sends to the ECM to enable fuel delivery. This generator can be installed with a hidden switch, so that you'll have some sort of anti-theft in your car. Just a thought.
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Have you checked the fuel pressure at the rails? Mine would idle great but wouldn't rev and then would sputter and die. Turns out fuel pressure was down. Corrected FP problem and has been running perfectly since.
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If the VATS has been deleted I would look to the fuel pressure in each of the above cases. The pump for a throttle body looks just like a multi-port pump. In any case, new tools are in order. Get a fuel pressure gauge that hooks to the schrader valve and also get a 'noid light. These will help you determine what is shutting down.