Ken driving a vehicle with a faulty ECM damage the vehicle or cause other knock sensors Excedrin to fail

What is your question?

Used to code reader after service at my dealer replaced knock sensors I was told my ECM was failing on the out put . Used my code reader I have evaporative leak code 440442 and code 325 concerned if maybe it's not an ECM problem or it is an ECM problem that caused code PO 325

What makes this problem better or worse?

Loss of power

How long has your 2004 Toyota Tundra had this problem?

Only recently

Donmars07 in Sedona AZ

May 29, 2018

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What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 2004 Toyota Tundra. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

Ken driving a vehicle with a faulty ECM damage the vehicle or cause other knock sensors Excedrin to fail

What is your question?

What makes this problem better or worse?

Loss of power

How long has your 2004 Toyota Tundra had this problem?

Only recently

Donmars07 in Sedona AZ

May 29, 2018

1 Reply

Popular Answer

DaveJMon May 30, 2018

The evaporative code needs addressed separately from the knock sensor code. The knock sensor code could be related to a wiring harness issue, a loose sensor or an engine control module issue. Testing must be done to find out what is wrong.

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Popular Answer

What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 2004 Toyota Tundra. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.