Can a dirty throttle body cause rough idle?
What Happens When a Throttle Body Goes Bad. If your car runs rough when idling, the cause just might be a dirty throttle body. The throttle body controls the amount of air the engine takes in, and when it gets dirty, the engine can’t idle smoothly.
Does seafoam clean your throttle body?
Especially important for modern GDI engines, it cleans critical upper engine areas where fuel cleaners can’t reach. Apply Sea Foam Spray through fuel injection throttle bodies to clean harmful engine deposits from intake valves and combustion chamber areas.
What causes a bad throttle on a Volvo?
The failure is caused by wear in the internal throttle position sensor contacts. What you might experience: If experiencing some of these symptoms, your Volvo likely has a bad electronic throttle module, especially if any codes are present. The problem lies within the throttle position sensor that is integrated into the ETM.
Why does my Volvo car stall at idle?
It got warm here a couple of days ago for the first time this year (~80-85F) and our ’97 855 GLT Volvo at 155k miles suddenly started to have a wandering idle speed and stalling at idle, but only when the car was fully warmed up. The stalling symptom was worst right after restarting the car after it had been running for a while (hot start).
What causes an ETM on a Volvo to fail?
Although not exclusively limited to, the most likely cause of this problem might be a failing Volvo Electronic Throttle Module (ETM). These cars use a fly-by-wire throttle. The failure is caused by wear in the internal throttle position sensor contacts. What you might experience:
Do you need to clean your idle air control valve?
When you remove it, the IAC is visible underneath. Need to clean your Idle Air Control Valve? It got warm here a couple of days ago for the first time this year (~80-85F) and our ’97 855 GLT Volvo at 155k miles suddenly started to have a wandering idle speed and stalling at idle, but only when the car was fully warmed up.