1995 Chevrolet C1500 "cause fluctuating rpm driving" Questions

rpm timing @ 1 btdc new wires,plugs,cap,rotor,IAC,TPS,MAP,temp sensor and fuel filter can unhook vac from MAP richens up stumble gone but to rich to drive.keep getting TPS code w/multiple TPS's (2 new

cause rpm gauge needle to fluctuating from1000 to 2000? 1998 chevrolet lumina 3.1L when driving down the highway sometime the rpm needle be fluctuating from 1000 to 2000 and when it do that the car be

...cause fluctuations in RPM's: any problem with oil pressure sensor shall as per the signals by ECM, will try to shut the engine down, as a precautionary measure. This is because, if the engine oil ...

...fluctuating rpm check engine light Hello, I drive 2007 corolla with 97,000 mile. Recently, I noticed a slight drop in RPM level while stop this sometimes caused vibration though the engine not off. ...

...RPM while stop though the engine does not go off. What could be the cause and what is the solution? air intake sensor dirty, O2 sensor fouled, cat convertor fouled, injectors fouled, timing belt ...

...RPM while driving and feel slight hesitation ..I do know I need an alignment done..what could cause this? Alignment has nothing to do with issue you report. It has to do with either ignition or fuel ...

...rpm for 60 mph. Pulled into gas station. Waited an hour for a mechanic, but problem had disappeared. Suspected cause was a stuck canister valve. Problem has not recurred for last 300 miles. ...

...caused by a bad egr? car idles rough and shuts off rpm fluctuate Po300 is code for random misfire. Could be spark plugs, spark plug wires. Continued driving with misfire can damage catlytic

...at 2000 rpm are putting a huge stress on the axles,and find that they are replacing them every 100000 km.It also wears out your brakes faster .When the sensor goes bad,it causes a fluctuating idle

RPM gauge (and engine rev) will occassionally fluctuate wildly between 2 to 4. 118k miles on Durango. The lube shop said transmission fuild is okay and I added some "Heat" to the gas to get rid of any