hey fellas, im new to this site but got a question for ya, just dealt 85 eldorado, always loved the styling of these cars. but anyway it sits and idles fine but when i give it the gas it pops thru the throttle body. i checked the codes on the climate control and its showing codes 30,37,38, i had a guy tell me it was the map sensor, so i replaced it. no luck same thing, id appreciate any help guys.it has the 4.1 engine