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Forum: Engine & Drivetrain

11-01-2019, 11:03 AM

Replies: 11

Weird problem - Car wont start and switch off too!

Views: 1,373

Posted By 2013-Z33

Try changing the ECM relay inside the IPDM.

Try changing the ECM relay inside the IPDM.

Forum: Engine & Drivetrain

10-25-2019, 10:20 AM

Replies: 34

Electronics won’t let me start my Z and OBD port and ECU won’t connect. Need a mechan

Views: 5,876

Posted By 2013-Z33

No, they are not! The CVTC intake timing control...

No, they are not! The CVTC intake timing control solenoid valves that you have shown(mounted on the front of the front cover) are controlled from the (main) ECU, RHD(bank1) by pin 29 and LHD(bank2)...

Forum: Engine & Drivetrain

10-24-2019, 10:19 AM

Replies: 34

Electronics won’t let me start my Z and OBD port and ECU won’t connect. Need a mechan

Views: 5,876

Posted By 2013-Z33

Those are the (CVTC) intake timing control...

Those are the (CVTC) intake timing control valves. If the two wires that run to these were shorted together(one is +12v other goes to ECU) then when the engine is turning, the ECU's driver for them...

Forum: Engine & Drivetrain

10-23-2019, 10:50 AM

Replies: 34

Electronics won’t let me start my Z and OBD port and ECU won’t connect. Need a mechan

Views: 5,876

Posted By 2013-Z33

No, the failure mode starts when the ground level...

No, the failure mode starts when the ground level at the coil is about 2.5 volts or more above the ground at the ECU. Then the coil's driver turns on and drives the coil's primary to saturation. This...

Forum: Engine & Drivetrain

10-22-2019, 10:23 PM

Replies: 34

Electronics won’t let me start my Z and OBD port and ECU won’t connect. Need a mechan

Views: 5,876

Posted By 2013-Z33

Yes, the ign. coil packs at the spark plugs. The...

Yes, the ign. coil packs at the spark plugs. The lack of ECU case ground will not cause this problem, but is needed to shield the ECU from EMI noise. Nissan has moved away from their old practice of...

Forum: Engine & Drivetrain

10-22-2019, 11:14 AM

Replies: 34

Electronics won’t let me start my Z and OBD port and ECU won’t connect. Need a mechan

Views: 5,876

Posted By 2013-Z33

At some point there was a weak or lost ground...

At some point there was a weak or lost ground from the ECU to the engine. This can cause the ignition coil's built in driver to overheat and short in a way that causes the input of the driver to...

Forum: Engine & Drivetrain

01-30-2019, 10:35 AM

Replies: 8

Replace Motor Goat Rodeo

Views: 1,536

Posted By 2013-Z33

jimwolftechnology.com/wolfpdf/vq37camencoderslippe...

jimwolftechnology.com/wolfpdf/vq37camencoderslipped.pdf

common failure on early cars that run the oil hot, part was redesigned 3 times

Forum: Engine & Drivetrain

01-29-2019, 10:59 PM

Replies: 8

Replace Motor Goat Rodeo

Views: 1,536

Posted By 2013-Z33

http://www.jimwolftechnology.com/wolfpdf/vq37camen...

http://www.jimwolftechnology.com/wolfpdf/vq37camencoderslipped.pdf

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