Wiring diagrams needed to fix a code p090 issue?

Tiny
NIKKITORRES619
  • MEMBER
  • 2003 MAZDA PROTEGE
  • 2.0L
  • 4 CYL
  • 135,000 MILES
Having a code p090 come up if there’s any way, I can get the wiring diagrams in reference to this code so I can see if there’s a short or open ground.
Monday, January 23rd, 2023 AT 10:38 AM

3 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,874 POSTS
Here's the diagnostic chart for this fault code. The second panel shows the related part of the circuit. If you need more of the Powertrain Management diagrams, let me know. There's over a dozen diagrams I'll need to copy and format.
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Monday, January 23rd, 2023 AT 11:36 AM
Tiny
NIKKITORRES619
  • MEMBER
  • 3 POSTS
Hi, managed to fix the issues with that code but now car started misfiring and while doing visual inspection of hoses and cleaning throttle body out I came across the CKP sensor and one of the wires shields was melted and wiring was visible and making contact with engine. I replaced the sensor but was wondering if there’s any steps I may need to know as far as installation and bringing piston to TDC?
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Wednesday, March 8th, 2023 AT 3:20 PM
Tiny
CARADIODOC
  • MECHANIC
  • 33,874 POSTS
No special procedures, but there is a torque spec listed:

Tightening torque 7.9 - 10.7 N.m 80 - 110 kgf.cm, 69.5 - 95.4 in.lbf

What was the solution to the P0090 problem?

In this case there appears to be no need to go further, but if you DO come up with a new problem, start a new question for it for a couple of reasons. First, these get categorized so others with the same problem can find the solutions. We want to keep to one problem per question except when new ones are related to it.

More importantly, unlike on other sites where anyone can chime in to confuse the issue, here this becomes a private conversation between just the two of us. We are the only ones who will get automated e-mail links directing us back here when there's a reply. As such, none of the other experts are going to see the new problem or have a chance to reply. That may not get you the help you need, especially if it's in an area that's not one of my specialties. I hope you'll come back to see us again. When you do, here's the link to start a new question:

https://www.2carpros.com/questions/new
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Wednesday, March 8th, 2023 AT 3:52 PM

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