ENGINE PERFORMANCE PROBLEM1999 INFINITI Q45 V8 ...

1999 Infiniti Q45

Tiny

beman24

June, 8, 2010 AT 10:50 PM

Engine Performance problem
1999 Infiniti Q45 V8 All Wheel Drive Automatic 130000 miles

my car have a rough idal and smells like eggs I chang master flow sensor and put new plugs in can you tell me whats wrong. And how to fix it

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1 Answer

Tiny

rasmataz

June, 9, 2010 AT 4:59 AM

Hi beman24, Welcome to carpros and TY for the donation

Could be caused by high amounts of sulfur in the gasoline being used in the vehicle, a partially clogged catalytic converter causing it to idle rough and could also be coming from the battery

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