Engine idle drops to 600 - 400 rpms an car vibrates till engine warms up

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It happens every morning especially if its cold out until engine is at operating temp. Engine light is on an codes say both banks are running below efficiency.

Visitor

in Big Spring TX

Feb 18, 2017

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What are the best Jaguar repair shops?

RepairPal Certified shops can diagnose and repair your 2001 Jaguar S-Type. 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

Engine idle drops to 600 - 400 rpms an car vibrates till engine warms up

What is your question?

It happens every morning especially if its cold out until engine is at operating temp. Engine light is on an codes say both banks are running below efficiency.

Visitor

in Big Spring TX

Feb 18, 2017

1 Reply

Popular Answer

casey40510on Feb 19, 2017

Hello, This issue is most commonly a faulty idle air control valve, which sends air into the engine at idle. When the engine is cold, the problem is exacerbated. Does the vehicle give you any symptoms when it is warm? What actual codes did you get when you scanned it?

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Popular Answer

What are the best Jaguar repair shops?

RepairPal Certified shops can diagnose and repair your 2001 Jaguar S-Type. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.