WebSep 6, 2004 · You might try a quick diagnostic test the next time this rough idle happens by disconnecting the oxygen sensor (look for a round connector with one wire near the back … http://forums.pelicanparts.com/porsche-924-944-968-technical-forum/1132246-88-924s-runs-rough-idle-low-rpms-but-great-thereafter.html
Chapter 1 - Engine
WebMay 12, 2010 · This can cause all sorts of idle and hesitation problems. This is caused by the throttle plate not seating properly. The First thing i would do is clean out the throttle body with some throttle plate and intake cleaner and a small brush. Another common cause would be the Idle Air Control motor. This is very common on older cars. WebOct 27, 2003 · Vehicle Information: Model(924/944/968): 944; Year: 1987; Body Type: Cabriolet; Total Mileage: 98700; I have recently replaced the idle control valve, (3 … iowa hawkeyes basketball listen online
Erratic idle on my 1987 Porsche 924s - RennTech.org Community
WebMay 22, 2015 · Step 4 – Check the mass airflow sensor. As with most engine issues on the 928, the source of a high idle issue could be a failed mass airflow sensor. This sensor measures the amount of air entering the engine and sends this information back to the ECU for fuel trim adjustments to be made. WebThe biggest cause of rough running or idle is a worn camshaft. follower will eat against the cam and lower the lift of the particular lobe. This is an endemic problem with the engine type, both in the Porsche application … WebApr 27, 2015 · A common cause of a rough idle on the 928 is the Mass Air Flow sensor in the intake tract. The MAF sensor is used to meter the air-to-fuel ratio based on the incoming air pressure in the intake. If this sensor is malfunctioning, it's sending the wrong signals to the engine's computer and will cause a rough running condition, usually at idle and ... open account with hsbc