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Loaded the parts cannon on my 87 Monte Carlo 4.3 TBI

 

Mr87Monty
(@timothy-kruger)
Estimable Member Registered
Joined: 4 years ago
Posts: 123
Topic starter  

When it is up to temp it is starting to stall when at a light.  This weekend changed the IAC, Mas airflow sensor, PCV valve, breather filter and checked again for vacuum leaks.  Drives a lot better, stronger performance but still stalls at idle when warm.  All the parts were < $87 shipped with a few other items I needed for shop supplies so I thought any of these could cause it so replace them all while I was in there.  

Guess I did not choose the correct part.

Next up an EGR valve, fuel regulator, clean the injectors and gaskets and o rings in the TBI.  

Hilton, New York
1941 Chevrolet Master Deluxe
1987 Monte Carlo LS
2001 Chrysler Sebring Convertible


   
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Mr87Monty
(@timothy-kruger)
Estimable Member Registered
Joined: 4 years ago
Posts: 123
Topic starter  

Turns out that it was the EGR valve.  Interesting part is after the first round of parts the car did run a lot better.  Just still had the stalling issue.  The old EGR valve had a lot of carbon on it.  I could more the diaphragm by had but it would occasionally stick.  Guess that explains why I was having an intermittent issue.    

Hilton, New York
1941 Chevrolet Master Deluxe
1987 Monte Carlo LS
2001 Chrysler Sebring Convertible


   
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Tiny
 Tiny
(@tiny)
Hall Monitor Moderator
Joined: 19 years ago
Posts: 672
 

Glad you got it figured out.

7046 old site posts
Save a life, adopt a senior shelter pet
1938 Master Business Coupe
1953 210 Sedan


   
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