This is topic Surging??? in forum Tech Talk at Northern California Ford Owners  .


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Posted by BLK 90 GT 5.0 (Member # 7534) on :
 
Ok so bout a month or so ago my oil pump went out so I replaced it and now my car is hella surging. So I started checking 4 vac leaks can't find none so I tried re stabbing dist bout a dozen times that didn't help so I changed intakes and gaskets from tb to cover plate still didn't help so I got a new tps and idle air valve still nothing [Confused] it still has same power if not more but if I create a vac leak it idles fine I'm stumpt. Plz help oh ya its a 90 fox for those who dnt know me it has full boltons hci exc

[ November 27, 2009, 08:25 PM: Message edited by: BLK 90 GT 5.0 ]
 
Posted by BLK 90 GT 5.0 (Member # 7534) on :
 
Anybody
 
Posted by gercolla1 (Member # 3068) on :
 
if u checked all those i would check the mass air meter clean that off and ur fuel pressure regulator cuz those where my problems when i had a surging issue [patriot]
 
Posted by JohnB (Member # 969) on :
 
quote:
Originally posted by BLK 90 GT 5.0:
I got a new tps and idle air valve still nothing
You got a new TPS...but did you set it correctly?

Also, HCI is a pretty generic term. What exactly do you have?
 
Posted by BLK 90 GT 5.0 (Member # 7534) on :
 
Its not a brand new tps but I tried 3 differnt ones but it is a new idle air valve and I'm pretty sure the tps is on rite. Upgrades are gt40 heads e303 cam eldelbrock intake 75mm mas air calbrated for 19lb injectors 373 gears 70mm tb full exaust and its a five speed oh ya and it has a cold air intake
 
Posted by stangin' (Member # 514) on :
 
to set your tps correctly, follow this procedure: tps setup

it's not just a plug and play deal. hope this helps.
 
Posted by SSF 50 (Member # 7219) on :
 
try a different map sensor
 
Posted by BLK 90 GT 5.0 (Member # 7534) on :
 
quote:
Originally posted by SSF 50:
try a different map sensor
Coo thanxs guys I'm gonna try the tps thing tom and the map sensor. But I did figure out that it idles fine at first start of the day or after sitting for awhile and while driving stop and go. but say like I stop at the store or sumthing and shut off and then restart after about 5-10min it starts to surge until its driven for a min then surging stops
 
Posted by BLK 90 GT 5.0 (Member # 7534) on :
 
So I think I fixed it I cleaned my tb and mass air and switched my vacumes around and It stoped I hope for good

[ November 29, 2009, 10:02 PM: Message edited by: BLK 90 GT 5.0 ]
 
Posted by BLK 90 GT 5.0 (Member # 7534) on :
 
quote:
Originally posted by BLK 90 GT 5.0:
So I think I fixed it I cleaned my tb and mass air and switched my vacumes around and It stoped I hope for good

 




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