rough idle when RS headlights are on - Team Camaro Tech
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post #1 of 7 (permalink) Old Jul 17th, 11, 08:31 AM Thread Starter
ANDRE
 
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rough idle when RS headlights are on

Perhaps someone can help me.
Since I bough my 68 RS I have this problem, once I turn on the headlights, the vacuum activated doors opens, and the engine starts malfunction with rough idle.
When restoring the car, Id changed all cables and conections of the vacuum sistem with a new kit, and the problems still there.
then, Id changed battery, alternator, checked cables, and the problem still there.
I am somewhere between an electric or vacuum problem.
I didnt changed distributor and coil yet, but my mechanic checked for more electrical issues and nothing.

Before starts all over again, I would like to ask if somebody else had the same problem, and how solved it.

Thanks in advance!
Andre
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post #2 of 7 (permalink) Old Jul 17th, 11, 09:17 AM
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Re: rough idle when RS headlights are on

Try spraying some ether around your vacum system for the head lights including the actuators - if you are sucking air in it will be very noticable in the Engine idle. I'd bet you have a vac leak from the sounds of it.

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post #3 of 7 (permalink) Old Jul 17th, 11, 10:40 AM
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Re: rough idle when RS headlights are on

yeah I say its a vacuum leak or wrong idle screw set-point.


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post #4 of 7 (permalink) Old Jul 17th, 11, 12:59 PM
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Re: rough idle when RS headlights are on

Welcome, Andre. Nice to read a Camaro in Brazil. Pictures? Correct year, of course.

If engine idles smooth without h/lamps, electrically unplug h/lamps to remove the major electrical load. If engine smooths out, then as suggested, idles speed may need a little tuning.

If engine still runs rough, vacuum problem with RS equipment.
Unplug the supply hose from headlamp switch at the relay next to the tank.
Plug in one RS door at a time to the disconnected supply line and check engine. You're checking a single door. The door making the engine run rough is the problem or a hose or fitting for the door/actuator.

If the above proves both doors are good, then I would suspect the relay or tank having a hole in it.

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post #5 of 7 (permalink) Old Jul 17th, 11, 01:46 PM
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Re: rough idle when RS headlights are on

I'd also check to make sure no vac leak at the headlight switch itself. Same basic isolation exercise as described for the tank and relay/valve system.

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post #6 of 7 (permalink) Old Jul 17th, 11, 04:34 PM Thread Starter
ANDRE
 
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Re: rough idle when RS headlights are on

THANK YOU GUYS,

I didnt check the vaccum tank yet, will be my next step, and also the other electric advises.

Everett, Ive just subscribed the TeamCamaro. Of course we dont have much Camaros in Brazil, but yes you can see once in a wile a SS396 or even an z28. The 69s are the rarest here, and they are my dream.

Ive post the picture of mines in my profile.

I restored it about 5 years ago, I went back for the original GrottoBlue with medium blue interior, still got the never opened original 327, Id just installed a quadrijet.
Has the powerglide, wich I love ( I see other cars easely on my rearview mirror when lights turns green )

Me and my father owns 11 cars, 6 of them are mustangs, but guess wich one I prefer do drive? Camaro of course...

We also have an 1973 Lt, wich we customized it with the same colors of the Dale Earnhardt JRs, and we installed a injected 350.

Well, hope to keep in touch at the web and to help if needed!
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ANDRE CALDERANO
BRAZILIAN CAMARO
1968 RS
1973 CUSTOMIZED
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post #7 of 7 (permalink) Old Jul 17th, 11, 07:15 PM
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Re: rough idle when RS headlights are on

Nice!

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