rough idle, engine dies

5

Asked by May 18, 2009 at 11:49 PM about the 1966 Ford Mustang

Question type: Maintenance & Repair

When i start my car it idles rough and then dies.  i just rebuilt the carb, but that didn't help.  thereis enough fuel flowing.  i can't figure out what else could be wrong.  its a 1966 with a 289 2v.

4 Answers

11,225

Too many possibilities - Choke thermostat adjustment / Pulloff adjustment - vacuum leak /fuel pressure ??? Cant help

165

I had that problem on my '67 (also a 289 2v) coupe, turned out to be a vacuum leak on the hot air choke tube. It would idle rough and stall when cold but run fine once it was warmed up. I fixed the leak and can cold start it without using the choke. Hope that helps.

1,185

If this problem happens when you are starting the car cold , it might be a choke problem. The choke needs to be set up to provide the right amount of fast cold idle , as well as enough air needs to get by the choke plate after starting ( this requires the choke pull off , or choke break to be set up properly too) Carb re builders sometimes just set up the carb to run , and not to the specs of the individual vehicle. You will need to set up the carb to the specs of the vehicle.

1 out of 1 people think this is helpful.
85

i have the same problem with my 95. very erratic idle when i first start it.(revs up to 3k rpm then down to 400 rpm and the car shakes and chugs, then levels out around 650 rpm) brand new battery, just had the throttle body cleaned, and the altenator tested.

3 out of 3 people think this is helpful.

Your Answer

Add photo

Related Questions

Mustang

Looking for a Used Mustang in your area?

CarGurus has 42,796 nationwide Mustang listings starting at $1,699.

ZIP:

Search Ford Mustang Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Ford Mustang Experts

#1 Tom Demyan
Tom Demyan
Reputation 3,980
#2 FordNut
FordNut
Reputation 1,230
#3 COMETGUY61
COMETGUY61
Reputation 990
View All

Related Models For Sale

Used Chevrolet Camaro
443 Great Deals out of 40,684 listings starting at $3,500
Used Dodge Charger
497 Great Deals out of 30,244 listings starting at $2,275
Used Chevrolet Corvette
288 Great Deals out of 20,545 listings starting at $3,688
Used Chrysler 300
484 Great Deals out of 22,689 listings starting at $1,000

Used Cars For Sale

2017 Ford Mustang For Sale
7 Great Deals out of 19,953 listings starting at $18,950
2016 Ford Mustang For Sale
62 Great Deals out of 3,623 listings starting at $16,999
2015 Ford Mustang For Sale
83 Great Deals out of 3,308 listings starting at $15,553
2014 Ford Mustang For Sale
80 Great Deals out of 2,816 listings starting at $9,500
2013 Ford Mustang For Sale
27 Great Deals out of 1,360 listings starting at $9,999