2003 GMC Envoy Q&A

2003 GMC Envoy Question: (know nothing,no money to fix) Need step by step help to replace MAP Sensor

It is running rough, set off warning light code replace MAP Sensor. It says I should try cleaning and replace before replacing the new sensor. I know nothing but neccesity drives the need to learn Help? -
Answer 1
the code doesn't say repl sensor,it says there is an issue with that circuit. seek diag and est b4 wasting money throwing parts at it -
Comment 1
Thanks, I am as second answer states, clean first, again thanks for your answer -
Answer 2
just take the screws off the MAP that is connected to the hose, spray some chlorinated brake cleaner on the wiring to clean...and reinstall... -
Comment 1
Thank you, I will try tommorrow and get back to you. thanks alot -