... in exhaust system, vehicle speed sensor (VSS), throttle position sensor (TPS), coolant temperature sensor, etc., any one of these giving an incomplete or incorrect...
2 Answers · Cars & Transportation · 19/12/2011
well the idle control is sensitive to cleaner so you could have fouled it or easily bent it. it sounds more like a bad egr valve or vac line failure. not all vac lines leak, some collapse and won't pull vac on the egr ecu advance etc
3 Answers · Cars & Transportation · 24/12/2011