help no spark

The Nissan 300ZX (Z32) general community discussion forum
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duanerm8
Posts: 1
Joined: Sat Jul 08, 2006 3:25 am
Car: 300zx

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code 21 Ignition signal in the primary circuit is not being entered to the ECU during cranking or tuning, have no spark, what part needs to be replaced when this code pops up?duane

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evildky
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Car: 71 Datsun 240ZT
87 Nissan 300ZX N/A-T
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I'm not a z32 expert but that first thought I have is the ptu, seems pretty common casue of spark issues
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WidebodyZ
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Car: X300 LWB Vanden Plas / W203 C240 Luxury Sedan
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evildky wrote:I'm not a z32 expert but that first thought I have is the ptu, seems pretty common casue of spark issues
Haha...sorry, there wasn't an "I agree" icon.
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evildky
Posts: 14225
Joined: Sat Jan 31, 2004 9:23 pm
Car: 71 Datsun 240ZT
87 Nissan 300ZX N/A-T
06 Nissan 350Z GT
Toyota Tundra TRD RW
Location: Louisville, KY
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lol, I think that onew might just be fitting
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cd1921
Posts: 2003
Joined: Mon Jul 19, 2004 11:40 am
Car: 91 Black 240sx. Tein S springs. Gr2 KYBs shocks. 17" wheels. JDM Folding mirrow. Injen CAI

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yes check the PTU and connections.
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