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I have an 87 chevy suburban with a 5.7, you have to crank it…

Customer Question
second opinion] I have an...
second opinion] I have an 87 chevy suburban with a 5.7, you have to crank it quite a bit to get it to start but one running it runs great until it gets warm, once warm it will stall when shifting from park to either drive or reverse from idle, but with some cranking it fires right back up and runs strong until you once again switch gears. I have cleaned the throttle body and replaced the regulator. Could this be a MAP senser or IAC issue?
Submitted: 1 month ago.Category: Chevy
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Answered in 18 minutes by:
12/29/2017
Chevy Mechanic: Tim's Auto Repair, mechanic replied 1 month ago
Tim's Auto Repair
Category: Chevy
Satisfied Customers: 16,201
Experience: Have owned a repair shop for 25 yrs.
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Hi, My name is ***** ***** for the delay.
I will do my best to assist you.

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Chevy Mechanic: Tim's Auto Repair, mechanic replied 1 month ago

does the engine light stay on?if so,can you give me the trouble codes?

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Customer reply replied 1 month ago
No check engine light
Chevy Mechanic: Tim's Auto Repair, mechanic replied 1 month ago

hi,,sorry i missed you.

sense you get no engine light and from the way you explain..it sounds as if the problem may be the iac..remove and clean it and make sure it is adjusted correctly..but you may need to replace it

also,a dirty and sticking egr valve may do this,,remove and clean the egr valve also.

PLEASE COPY AND PASTE the link below to your browser, I have uploaded more info on this there. please copy and paste the link below to your main browser[INTERNET EXPLORER ,Chrome or Firefox.]

.

https://www.dropbox.com/s/tljk61tcx71hiyt/1229-chevy-IAC%20Valve%20Operation%20And%20Fuel%20Pressure%20Regulation.doc?dl=0

.

if the link doesn’t work that way, try it this way

thanks

.

www.dropbox.com/s/tljk61tcx71hiyt/1229-chevy-IAC%20Valve%20Operation%20And%20Fuel%20Pressure%20Regulation.doc?dl=0

.

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