High NOx levels and failed smog test 5 times. replaced cat,plugs,cap,O2,intake

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gasket,exhaust manifold, oil, oil filter, coolant,injector seals, and MAP sensor. Still getting 1300 read @ 25mph. this sucks

135jeep in Ventura CA

Feb 26, 2013

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What are the best Jeep repair shops?

RepairPal Certified shops can diagnose and repair your 1992 Jeep Cherokee. 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

High NOx levels and failed smog test 5 times. replaced cat,plugs,cap,O2,intake

What is your question?

gasket,exhaust manifold, oil, oil filter, coolant,injector seals, and MAP sensor. Still getting 1300 read @ 25mph. this sucks

135jeep in Ventura CA

Feb 26, 2013

1 Reply

Popular Answer

globalhelperon Feb 26, 2013

NOX IS CREATED BY HIGH COMBUSTION TEMPS. IS COOLING SYSTEM IN GOOD SHAPE AND ANYTHING ELSE THAT WOULD RAISE CYCLINDER TEMPS.

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Popular Answer

What are the best Jeep repair shops?

RepairPal Certified shops can diagnose and repair your 1992 Jeep Cherokee. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.