Rep Power: 0

I have a 2001 Honda Civic EX 5MT
Just replaced the Cat and TDC Sensor yesterday
The Head was reman in July
It now has a rough idle coming out of the repair shop to the point it would sometimes stall out
P1129 is the CEL coming up which is MAP is higher then expected
but i know that the IAC is dirty or going bad i have had a P0505 in the past but its not there currently

 
Rep Power: 233

With the car at operating temp and idling use the scan tool to see what the sensor is putting out.

Is it putting out 1.1V?

If not, replace the sensor.

 
Rep Power: 0

Thanks i'll try it out

 
Rep Power: 0

I cant remember if you have to pull the inner crank pulley (timing belt) if thats the case it might be off a few teeth. I had a customer replace his own belt used the tdc sensor as the timing mark rather than the one on the block and it had a rough idle and threw the map code.

 
Rep Power: 0

Good to know. I had Lentz replace the TDC when they were welding the cat. just because they have a lift and **** to make the job easy. so it will be something to look at, but hopefully they did it right.