Any suggestions on fixing problem?

Question

I already replaced both camshaft position sensors and both variable timing solenoids I'm still throwing codes p1135 and p0021 I have changed oil and oil filter and oil pan gasket any info would be greatly appreciated.

Answer 1

P0021 Intake valve timing control Bank 2

P1135 Intake valve timing control Bank 2

Treat this as a open circuit, the IVT should energize at 2,000 RPM , there is a poor connection on the connection of the IVT solenoid of Bank 2, The problem would be the signal side from the ECM, Power for both solenoid is shared.

Comments

Thank you for your reply I'm not sure I understand is it an issue with the wire cluster or the connection harness

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You have 2 code that indicate a open circuit, or disconnection, this most of the time there is problems with the connection, use a small probe like a safety pin. clean the connection

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Is there any type of cleaning spray that can be used