Why is my NOx so high

What is your question?

I passed everything on my emissions but my NOx was real high

Dec 2, 2015

Popular Answer

What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1993 Pontiac Bonneville. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

1993 Pontiac Bonneville auto repair 1993 Pontiac Bonneville estimates 1993 Pontiac Bonneville questions 1993 Pontiac Bonneville problems 1993 Pontiac Bonneville recalls

What is your question?

Popular Answer

Why is my NOx so high

What is your question?

I passed everything on my emissions but my NOx was real high

GoldieGucci in Aurora CO

Dec 2, 2015

1 Reply

Popular Answer

Auto Works ATXon Dec 3, 2015

NOx is caused by high combustion temps. Possible causes are faulty EGR system or even excessive carbon buildup in the combustion chambers.

Join the conversation!

Popular Answer

What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1993 Pontiac Bonneville. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.