No start need ideas
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Joined: Apr 2009
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From: Fort Woth, Texas
Car: 92 Z28 LS1 4L60E swap
No start need ideas
Ok so went for start today and nothing not even a sputter. I dont have any computer programs to check for things so i need ideas please. If you can think of something let me know. Thanks
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From: Melbourne Florida
Car: 87 Formula
Engine: '00 LM7
Transmission: 4L60e
Axle/Gears: 3.23 posi
Re: No start need ideas
I agree. check that your fuel pump is getting pressure to the line, but it sounds like a vehicle anti-theft issue, which will stop the injectors from firing.
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From: San Antonio
Car: 1981 Camaro; 1986 Z28
Engine: LT1; LT1
Transmission: 6 speed; 6 speed
Axle/Gears: 3.73; 3.42
Re: No start need ideas
Was the car running before? If not, then you need to check the VATS. Is it cranking? Need a little more info.
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Junior Member
Joined: Apr 2009
Posts: 37
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From: Fort Woth, Texas
Car: 92 Z28 LS1 4L60E swap
Re: No start need ideas
I disabled the vats in the car by removing the box and connecting the 2 big wires together. And when i had my computer reprogrammed they removed the vats from it. One of my ideas is on the PRND switch i just removed the entire setup so was i supposed to do something like ground one of those wires? I am thinking the computer is not starting as it thinks the car is in gear? Just one of my thoughts. I did test for fuel and i am getting fuel pressure.
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Joined: Mar 2005
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From: San Antonio
Car: 1981 Camaro; 1986 Z28
Engine: LT1; LT1
Transmission: 6 speed; 6 speed
Axle/Gears: 3.73; 3.42
Re: No start need ideas
Taking out the nuetral safety switch will definatley cause the no start issue. You will need to either put it back (which is highly recommended) or connect the big yellow wire to the brown (or purple). Either way, they are the two biggest gauge wires on the plug.
Thread Starter
Junior Member
Joined: Apr 2009
Posts: 37
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From: Fort Woth, Texas
Car: 92 Z28 LS1 4L60E swap
Re: No start need ideas
Is that vehicle side? The car turns over but no start. I took the PRND switch off the computer side so what do i need to do there?
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iTrader: (1)
Joined: Aug 2004
Posts: 202
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From: Melbourne Florida
Car: 87 Formula
Engine: '00 LM7
Transmission: 4L60e
Axle/Gears: 3.23 posi
Re: No start need ideas
my park neutral protection switch was never hooked up to the computer, and I didnt tune it out first to make it work. All it ever did was lock my ignition cylinder so i couldnt turn the key to start.
If you're cranking that means you've connected the 2 starter wires together correctly too. Can you smell any fuel when you are cranking?
If you're cranking that means you've connected the 2 starter wires together correctly too. Can you smell any fuel when you are cranking?
Joined: Sep 2007
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From: Crestview, FL.
Car: 1989 IROC-Z, 1979 Malibu Classic
Engine: LSx 5.3
Transmission: MN12 6-speed, 4L60E
Axle/Gears: 4th gen 3.42
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