When slowing, only with the clutch depressed, the RPM on my Altima fluctuates between 1300 and 1900 RPMs until I come to a complete stop when ithe RPMs drop to a constant 1000 RPM. I hooked my EZLINK Scanner to it and got the following in monitor mode:
Test 02 Fuel System 1
Toggles back and forth between closed loop and open loop
Test 10 Ignition Timing
Above 20 mph toggles back and forth between -4 deg and +20 deg
Test 12 Air Flow Rate
Air flow rate fluctuates from.67 to.91
Test 13 Throttle Position
Throttle position stays at 0%
Test 14 Oxygen Sensor 1
Fluctuates from.010 to.050
Test 16 Oxygen Sensor 2
Fluctuates from.010 to.040
Note that the throttle position stays at 0% which is consistent with visual and throttle blade does not move.
It did have a trouble code of P0304, #4 Cylinder Misfire and I replaced the plugs and wires. The code has come back so I will replace the rotor cap next. I wouldn't think this problem is related. The RPM fluctuation started a month ago and the Service Engine Light came on the first time just 2 days ago.
Does anyone have any hints of what to look for?
have the same problem?
Wednesday, January 31st, 2007 AT 10:49 AM