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Discussion Starter #1
Truck seems to be at a loss of power while going uphill and on flooring the
gas pedal revs jumpus and get some sort of power

Also hear a woosh noise from the passenge side on flooring the gas pedal

Forscan does not come up with any codes for turbo boost etc

Replaced spark plugs. Ones coming out did not indicate any visible defects

Checked all the COP while replacing the plugs and found the below reading.

reading from left to right

Pin 1&2 Pin 1&3 Pin 2&3
Cyl1 319.2 Ohms .84 M Ohms .84 M Ohms
Cyl2 322.5 Ohms .84 M Ohms .84 M Ohms
Cyl3 322 Ohms .83 M Ohms .83 M Ohms
Cyl4 321.7 Ohms 362 K Ohms 362 K OHms
Cyl5 320.6 Ohms 362 K Ohms 362 k Ohms
Cyl6 323 Ohms 1.26 M Ohms 1.26 M Ohms

Seems odd Cyl 3 & 4 has low resistance with pin 3 as reference

I believe pin 3 is the data line to the computer

Have ordered two coil packs from Rockauto hopefully that will solve the power loss issue

Any pointers or link to exepcted resitance readings on the COP

Thanks in advance

Kishore
 
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