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Trouble code P0340 means:Camshaft position sensor "A"-circuit malfunction (Bank 1)

Trouble code P0420 means:Catalyst system efficiency below threshold (bank 1)

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Q: Code PO340 and code PO420 99 ford escort zx2 car is firing but wont start?
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Code PO340 and code PO420 99 ford escort zx2 1.9 car is firing but wont start replaced camshaft sensor but no luck I dont think its the fuel pump. could you please help thanks?

Trouble code P0340 means:Camshaft position sensor circuit malfunction Trouble code P0420 means:Catalyst system efficiency below threshold (bank 1)


Why won't 86 escort start plugs aren't firing?

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Recently had same experience with my dodge and escort. in the escort it was the distributor and the dodge was the brainAnswerCheck your ignition module in your distributor that is a good place to start.


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