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Author
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Topic: E Cam Idle issues starting
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mastercudaz
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Member # 7486
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posted
 
 
Hi,
I have an E cam in the car I just bought and there are a couple things that are bugging me.
1. Upon startup it idles really low, like its gonna stall, then it goes up to about 1000 like it tries to keep the car running. After that it goes back down and that goes back and forth for a few minutes.
2. Does this cam normally have a rough idle?
3. Car is running really rich (it needs a tune and an exhaust leak fixed). Anything that would help this? It has a 70mm TB and 24lb injectors.
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1990 Mustang GT
Posts: 161 | From: San Jose | Registered: Mar 2007
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mastercudaz
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Member # 7486
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posted
okie ![[Big Grin]](biggrin.gif)
I drove it yesterday and it started to really make me nervous that something else might not be normal.
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1990 Mustang GT
Posts: 161 | From: San Jose | Registered: Mar 2007
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BlueLightning302
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Member # 3974
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posted
drill a hole in the TB. i had to do this on both my 65mm and 70mm. it stableized the idle on mine when i did an ecam. what else do you have done?
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Originally Member #935
2003 Mustang Cobra - Some mods
"Well, atleast the slow one's trying!!" - Al Bundy
Posts: 207 | From: San Jose | Registered: Jan 2004
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BlueLightning302
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Member # 3974
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posted
oh yeah, could be the orientation of you MAF. maybe a wrong angle. try different angles for the MAF.
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Originally Member #935
2003 Mustang Cobra - Some mods
"Well, atleast the slow one's trying!!" - Al Bundy
Posts: 207 | From: San Jose | Registered: Jan 2004
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88DroptopGT
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Member # 2535
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posted
Don't waste money on a tune with mild bolt ons.
What you need is to adjust your idle by messing with the screw on the throttle body.
Clean your black and white connectors and check your vacuum connections as well.
And yes an E-cam has a slight lope.
Posts: 3978 | From: 707 | Registered: Mar 2003
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LQ9SN95
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Member # 7080
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posted
quote:
Originally posted by 88DroptopGT:
Don't waste money on a tune with mild bolt ons.
What you need is to adjust your idle by messing with the screw on the throttle body.
Clean your black and white connectors and check your vacuum connections as well.
And yes an E-cam has a slight lope.
what is slight lope? mine actually sounds pretty good
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http://www.fastgms-teamfast.com
http://www.facebook.com/aop.fresno?ref=ts&fref=ts
Lq9 swap
102 fast intake
Trick flow heads
T rex cam
Posts: 8031 | From: Fresno, Ca | Registered: Sep 2006
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BlueLightning302
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Member # 3974
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posted
mine had a pretty good lope to it as well.
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Originally Member #935
2003 Mustang Cobra - Some mods
"Well, atleast the slow one's trying!!" - Al Bundy
Posts: 207 | From: San Jose | Registered: Jan 2004
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modular
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Member # 6599
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posted
Next time it does it pump your brake pedal (at idle) if it balances out its prolly a vacum routing issue, but in the end these cars have a mind of their own. What computer is in the car? What I mean by vacum routing is to many hoses off one vacum tree.
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I had no idea that so many people knew everything until I joined this site.
I was prolly drunk. Get over it
***BEWARE*** COP CALLERS! Eljefe-Adower!
Posts: 548 | From: sacramento | Registered: Mar 2006
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Eddie510-
CAFords OG
Member # 2354
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posted
is it a h/c/i setup? is you maf set for those 24lbs? do you got the stock fuel reg? if you got a aftermarket one ,rent a fuelgauge or by one so you can adjust it.
I never got a tune but never had your kinda problem. On my h/c/i setup i had a custom grind that was way more lobe than the e303. I will tell you ,it would surge just when i start it or when i came to a stop, i would just rev it once and it would set at normal idle. My has an e303 on his setup, it had a brand new granitali maf from summit and he idle was shit . got a Cnl maf and solved it
Some Tuners dont even want to wrench on cars or want you to come in with a bad idle problem like that. Get the basic tune you need, Timing,fuel, idle ok, no codes poping up, Then get a chip/tune with no hassle
[ April 13, 2007, 05:18 AM: Message edited by: Eddie510- ]
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"I like to be more politicaly correct than what I really believe so I can get more frinds here on CaFords"-Cummings "TIPICKLE"
Posts: 6556 | Registered: Jan 2003
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mastercudaz
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Member # 7486
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posted
The car is a stick with a Tremec 3550 in it. After the car is warm it stops, and it has quite a lope.
The only other thing I have noticed when I take off slowly, it has a slight stutter when barely giving it gas. After I give it more gas it comes right out of it.
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1990 Mustang GT
Posts: 161 | From: San Jose | Registered: Mar 2007
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mastercudaz
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Member # 7486
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posted
Mods so far:
GT40 Heads & Intake, 70mm TB with spacer, 24lb injectors, E Cam.
Paperwork does not show anything about a different MAF so I dont know if that has been changed. It does not have a CAI, but does have a K&N with the regular setup.
My plan is to take it to Apex and have a different catback put on and fix some leaks in the exhaust. Im hopin to get it tuned then.
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1990 Mustang GT
Posts: 161 | From: San Jose | Registered: Mar 2007
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SmokinLX
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Member # 1684
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posted
quote:
Originally posted by mastercudaz:
Mods so far:
GT40 Heads & Intake, 70mm TB with spacer, 24lb injectors, E Cam.
Paperwork does not show anything about a different MAF so I dont know if that has been changed. It does not have a CAI, but does have a K&N with the regular setup.
My plan is to take it to Apex and have a different catback put on and fix some leaks in the exhaust. Im hopin to get it tuned then.
If You have 24 # injector's then You have to have an aftermarket mass. I had the same issues with My E cam and did what Eddie 510 did, which was change the mass air meter and it fixed My problem like night and day. E cam is notorius for this shit. My recommendation is to try drilling the hole in the throttle body blade and if that does'nt work try to borrow a friend's meter that is calibrated for 24's & NA, then if that does'nt work throw that E cam in the garbage ![[Razz]](tongue.gif) .
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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mastercudaz
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Member # 7486
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posted
ok thanks. I am gonna get under the hood this weekend so I will check out the MAF.
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1990 Mustang GT
Posts: 161 | From: San Jose | Registered: Mar 2007
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LQ9SN95
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Member # 7080
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posted
quote:
Originally posted by mastercudaz:
The car is a stick with a Tremec 3550 in it. After the car is warm it stops, and it has quite a lope.
The only other thing I have noticed when I take off slowly, it has a slight stutter when barely giving it gas. After I give it more gas it comes right out of it.
sound like maybe u need a tune up ![[patriot]](graemlins/patriot.gif)
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http://www.fastgms-teamfast.com
http://www.facebook.com/aop.fresno?ref=ts&fref=ts
Lq9 swap
102 fast intake
Trick flow heads
T rex cam
Posts: 8031 | From: Fresno, Ca | Registered: Sep 2006
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mastercudaz
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Member # 7486
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posted
yeah, im gonna go a once over everything (plugs, wires, filter) then start digging into the rest ![[Wink]](wink.gif)
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1990 Mustang GT
Posts: 161 | From: San Jose | Registered: Mar 2007
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turbo50
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Member # 6700
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posted
check the TPS voltage
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.........when was the last time YOU built something with YOUR own hands?
I offer quality sidework at reasonable prices. PM ME
Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006
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Pure Stang
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Member # 7251
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posted
get a FPR.... adjust your idle and timing..thats what i did and it whent away!
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HEART BREAKER
R.I.P Willie Guzman (5ltrsvt) you will be missed brother.
04/24/87 - 11/23/2012
90 lx 347 RIP
86 gt
89 lx- next project
Posts: 6497 | From: San Jose | Registered: Nov 2006
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