ENGINE CHECK LIGHT

Mazda Miata

Tiny

marty mchale

June, 22, 2006 AT 1:52 PM

My 1999 Mazda Miata check ingine light is on, with 62k miles on vehicle. Dealer says that it is do to bad gas. He describes it as like creasote in chimney. The code 402 pops up on computer and they say they have to remove the head to clean at $300.I have tried a store bought fuel system cleaner to no luck but out $10. Is this the only alternative I have or would maybe an induction clean solve my delima. Thanks

FOUND 6121 RELATED QUESTIONS

Light Codes

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Lighting Issue

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2 Answers

Tiny

Jack42

September, 12, 2006 AT 5:17 PM

Find a different mechanic

Tiny

Cosmo

September, 14, 2006 AT 5:53 PM

The code you are describing is an ERG flow malfunction code. There might be an egr failure or a carbon build up in the intaje manifold leading to the egr valve.

Cosmo

Mazda tech

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