Join Date: Jan 2008
Location: Tayside, Scotland
Help needed- lost power, misfiring
A couple of weeks ago I replaced the cambelt, balancer belt and auxilliary and all seemed fine. One morning on the way to work last week though the car gave a short misfire lasting about a second or less and the MCSF light came on and instantly went off again. The car continued on as if nothing had happened and was running fine.
I was out last night and about 2 or 3 miles from home the same misfire occurred except this this time it it didn't stop. The MSCF light came on and continued to flash on and off at a frequency of about once a second. The car limped on at very reduced power obviously misfiring, until I came to a hill about 1/2 a mile from home when I slowed for the junction There just wasn't enough power and it stopped with a cloud white vapour from the exhaust that seemed to be partly burnt fuel by the smell of it, which won't have done the cat any good. The car now won't start but only fires sporadically and stops. I had to get my wife out to help me tow the car home - a new experience for her.
Tonight I read off these error codes;
P0300, P0301, P0302, P0303 and P0304 - Random misfiring on cylinders 1,2,3 and 4 - No surprise there.
Also P1670 - Electronic feedback signal not present
Now the fault may or may not be connected to the earlier belt change but given the fact that it previously occurred for a very short period I'm inclined to think it is caused by an electrical rather than mechanical fault but that may be just wishful thinking. Any ideas what the P1670 code means and where I should start looking?
I'm fearful this could be very expensive.