Questions & Answers for: dirty air filter causes rough

...runs great Had exhaust leak fixed rough idling can be caused by dirty air filter.dirty throttle valve and bore.vacuum leak at egr valve and pvc valve.also idling too low.will cause rough

...dirty air filter. A clean air filter insures that the engine is getting the right ballance between air, and fuel. Crucial for engine performance. If that doesn't resolve your issue, you may want to ...

...air filter. If dirty, replace it. Also, a clogged fuel filter causes rough idling. It's hard to tell if a fuel filter is clogged or not, so a good rule of thumb is to change it at every general ...

...I can't go 1/2 mile and it starts acting up again Could be your cat converter is breaking apart.could be your air flow sensor is dirty. Could even be a dirty fuel filter, plugs or your coil going

...the engine. ( Vacuum leaks ). Check air intake hose going from air filter box to throttle assembly for any signs of splits/cracking causing a lean condition. Possible Air flow sensor ...

...air in the vehicle. Over time these sensors can malfunction or become dirty. One of the first symptoms of a malfunctioning airflow sensor is a rough idle. The car may also accelerate slowly and even ...

...but won't trigger a service engine light 1993 GMC G2500 5.7 TBI Lots. Clogged air or fuel filter, low fuel pressure,tune up,dirty throttle body, Idle air control motor dirty, or timing out a

...the most common and easiest rough idle fixes tend to be air filter or fuel filters that are dirty and need to be cleaned or replaced I would check those first... but there could be many other

...idle ....idle air control valve ..will also cause this ...faulty engine temp sensor ..dead or dirty injector ..dead oxygen sensor .bad intake gasket .dirty throttle body ...list goes on and on

...dirty throttle body can cause a rough idle, even if the fuel filter has been changed. Cleaning the throttle body may help resolve the issue. Air intake leak: A leak in the air intake system can cause ...