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95TMO ecu in 97 wont run

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BStiles

Probationary Member
6
0
Aug 13, 2005
Windham, Maine
I just put a 95eprom with TMO3 in 97, when turning over it feels like the firing order is off. I have a 90 6bolt and cam sensor.
 
switch 1,4 and 2,3 on the coil pack. Because since you changer your cas, you need to invert the signal now, which is changing your firing order.
 
BStiles said:
I just put a 95eprom with TMO3 in 97, when turning over it feels like the firing order is off. I have a 90 6bolt and cam sensor.

Most of these chips have CAS inversion built into them and since you have a 6 bolt, you'll likely need to switch 1 and 4 and then 2 and 3. Try that and see if it helps you. In essence, you'd be back to using the stock 7 bolt setup for the 2GB. The other option is to have a stage III chip burned that doesn't have CAS inversion and put the firing order to 6 bolt specs, but I have a feeling that swapping your wires will help.

Let us know if that fixes it,

Andy
 
thanks for the reply. Tried swithching the wires, it turns over freely now but doesnt want to run. it just sputters a second or two. I tried giving a bit of gas by pedel, then i added a bit of fuel through emanage, nothing....
 
Did you change the wires at the coil pack or just at the head? It needs to get done at the coil pack.
 
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