stalling....
Thread Starter
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Joined: Aug 2008
Posts: 53
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From: Pemberton NJ
stalling....
I have a 86 and 2 problems. When I go to start it it starts and then stalls....This happens for 3 or 4 times and then it stays running and idols fine. After that it stalls everytime I put it in gear it will stall out. Any hints??
oh...its a auto trans
oh...its a auto trans
Team Owner
Joined: Jan 2003
Posts: 20,301
Likes: 240
From: Summerland B.C. Canada
Buy a pressure gage and hose that will screw onto shrader valve on fuel rail.
Check for stored codes.
Your IAC could also be an area of concern. Read these.
http://members.shaw.ca/corvette86/Co...0View%2086.pdf
http://members.shaw.ca/agent86/IAC%20Diagnosis.pdf
http://members.shaw.ca/corvette86/Fu...mDiagnosis.pdf
http://members.shaw.ca/corvette86/No...it%20Check.pdf
Check for stored codes.
Your IAC could also be an area of concern. Read these.
http://members.shaw.ca/corvette86/Co...0View%2086.pdf
http://members.shaw.ca/agent86/IAC%20Diagnosis.pdf
http://members.shaw.ca/corvette86/Fu...mDiagnosis.pdf
http://members.shaw.ca/corvette86/No...it%20Check.pdf
Team Owner
Joined: Jan 2003
Posts: 20,301
Likes: 240
From: Summerland B.C. Canada
If your looking for something to pull the codes from the ECM, all you need is a paper clip to jump terminals "A" and "B", on the ALDL connector.
Jump terminals, turn ignition to "RUN" and then watch the "SES" light on the info panel. http://members.shaw.ca/corvette86/No...it%20Check.pdf
Jump terminals, turn ignition to "RUN" and then watch the "SES" light on the info panel. http://members.shaw.ca/corvette86/No...it%20Check.pdf
Team Owner
Joined: Jan 2003
Posts: 20,301
Likes: 240
From: Summerland B.C. Canada
I should add that the SES light will flash on and off, to give the codes.
Example- flash-pause-flash-flash is code 12(ECM is communicating)
Example-flash-flash-flash-pause-flash-flash-flash-flash is code 34.
Example- flash-pause-flash-flash is code 12(ECM is communicating)
Example-flash-flash-flash-pause-flash-flash-flash-flash is code 34.
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Safety Car
Joined: Sep 2001
Posts: 4,154
Likes: 553
From: Glenbeulah Wi
Basically you do this:
-Warm car up
-Jump the a-b termanuals on the diagnostic connector
-Turn the key on
-Disconnect the IAC at the throttle body
-Turn key off
-pull out jumper at diagnostic connector
-Start car and see if it will idle at 450 to 500 RPM in drive
-If RPM is too low adjust the set screw that holds the throttle blades open out farther until the desired RPM is reached.
-Readjust throttle position sensor to .52 volts at idle
-Reconnect IAC and car should not stall any more when going into gear.
Team Owner
Joined: Jan 2003
Posts: 20,301
Likes: 240
From: Summerland B.C. Canada
Slingshot
Joined: Dec 2001
Posts: 3,817
Likes: 24
From: Charlotte NC
Do you have a laptop computer? If so, I recommend Tunerpro (free) and a USB ALDL cable @$60. Another choice for reading the aldl datastream is winaldl (also free). You will still need the aldl cable which will also allow you to read codes and datalog the info using your laptop computer. There is also info on this site about constructing your own aldl cable if your handy w/a soldering iron.
http://winaldl.joby.se/
http://tunerpro.markmansur.com/
http://aldlcables.com/
Good Luck!
Team Owner
Joined: Jan 2003
Posts: 20,301
Likes: 240
From: Summerland B.C. Canada
Are you sure they was a good connection between A and B ??
http://members.shaw.ca/corvette86/SE...n%20Steady.pdf
http://members.shaw.ca/corvette86/SE...n%20Steady.pdf
Team Owner
Joined: Jan 2003
Posts: 20,301
Likes: 240
From: Summerland B.C. Canada
Instructor
Joined: Nov 2004
Posts: 159
Likes: 0
From: Chesterfield Twp Mi
Yes, you are correct. If you just checking for codes, leave everything connected like it should. You put a piece of wire/paperclip whatever, in ports A and B. Turm the key so just the ignition is on. Watch the check engine light. it will Blink 1 time pause and then blink 2 times ( this is a code 12, means its reading correctly) and it will do this 3 consecutive times. Then if any codes are present they will flash now, ( i have a bad optispark which is a code 36 so after the 3 code 12's it will flash 3 times, pause and flash 6 times also doing this 3 times) then after it flashes the codes it will flash the code 12 three times again to indicate it has provided all codes. If it flashes 12 three times then 12 again 3 times you have NO codes set. To clear codes and check again remove the NEGITIVE battery cable, that will clear them. Hope this helps!!
