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Author
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Topic: bad idle...car's shaking
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castor
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Member # 2765
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posted
 
 
hey everyone, need help.
fired up the car and it's shaking, idle's jumping a little bit even after i drove it and when it sits. funny noise coming from under the car. could this be an exhaust leak? would an exhaust leak make the car shake and the idle jump around like 100-150 rpms up and down?
thanks!
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SOLD!!! 7/07
Supercharged 92GT
352rwhp [old blower w/3 1/2lbs]
???rwhp w/S-Trim
2010 Acura MDX Tech/Entertainment
2013 Acura TL SH-AWD
Posts: 1457 | From: San Francisco | Registered: Apr 2003
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Primer GR40
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Member # 476
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posted
shouldnt be an exhaust leak. check your plugs/wires.
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Superdupercharged Cobra
No Transmatic Notch
Posts: 2108 | Registered: Sep 2001
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castor
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Member # 2765
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posted
quote:
Originally posted by Blown GR40 Mystic:
shouldnt be an exhaust leak. check your plugs/wires.
i'll check that out first thing tomorrow when i get home from work, thanks! ![[patriot]](graemlins/patriot.gif)
anyone else have any ideas?
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SOLD!!! 7/07
Supercharged 92GT
352rwhp [old blower w/3 1/2lbs]
???rwhp w/S-Trim
2010 Acura MDX Tech/Entertainment
2013 Acura TL SH-AWD
Posts: 1457 | From: San Francisco | Registered: Apr 2003
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castor
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Member # 2765
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posted
if this were the sparks plugs (haven't checked yet) and the cables are new, the plugs have only been in there for about a year and a half. would one of them go bad already?
thanks in advance.
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SOLD!!! 7/07
Supercharged 92GT
352rwhp [old blower w/3 1/2lbs]
???rwhp w/S-Trim
2010 Acura MDX Tech/Entertainment
2013 Acura TL SH-AWD
Posts: 1457 | From: San Francisco | Registered: Apr 2003
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MoostangGT
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Member # 2894
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posted
How long has your car been doing that? Any new mods? What mods do you have?
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Sabrina aka The chick in the cow print pants.
Posts: 106 | From: Redding, CA | Registered: Jun 2003
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castor
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Member # 2765
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posted
quote:
Originally posted by MoostangGT:
How long has your car been doing that? Any new mods? What mods do you have?
just since sunday when i installed my boost gauge.
H/C/I etc.
[ June 12, 2003, 10:30 AM: Message edited by: castor ]
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SOLD!!! 7/07
Supercharged 92GT
352rwhp [old blower w/3 1/2lbs]
???rwhp w/S-Trim
2010 Acura MDX Tech/Entertainment
2013 Acura TL SH-AWD
Posts: 1457 | From: San Francisco | Registered: Apr 2003
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MoostangGT
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Member # 2894
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posted
Sounds like you have a vacuum leak somewhere. Check both sides of the gauge.. also, does the gauge appear to be working properly?
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Sabrina aka The chick in the cow print pants.
Posts: 106 | From: Redding, CA | Registered: Jun 2003
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castor
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Member # 2765
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posted
quote:
Originally posted by MoostangGT:
Sounds like you have a vacuum leak somewhere. Check both sides of the gauge.. also, does the gauge appear to be working properly?
good call....i clamped the area down next to the vacuum tree near the wiper moter, but i don't think i clamped it tight on the boost gauge side as i just slid the vacuum tube over the nozzle behind the gauge...could this be it?
as for the gauge working properly, i'm only seeing 4lbs boost max when technically, i should be getting 6-7.
thanks
[ June 12, 2003, 01:36 PM: Message edited by: castor ]
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SOLD!!! 7/07
Supercharged 92GT
352rwhp [old blower w/3 1/2lbs]
???rwhp w/S-Trim
2010 Acura MDX Tech/Entertainment
2013 Acura TL SH-AWD
Posts: 1457 | From: San Francisco | Registered: Apr 2003
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MoostangGT
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Member # 2894
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posted
Its possible,try disconnecting the hose and plugging it with your finger so there is no leak and see if it runs any better, if no the leak may be somewhere else, check any other vacuum hoses you may have touched or mistakenly pulled off.
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Sabrina aka The chick in the cow print pants.
Posts: 106 | From: Redding, CA | Registered: Jun 2003
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castor
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Member # 2765
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posted
quote:
Originally posted by MoostangGT:
Its possible,try disconnecting the hose and plugging it with your finger so there is no leak and see if it runs any better, if no the leak may be somewhere else, check any other vacuum hoses you may have touched or mistakenly pulled off.
will do!
--------------------
SOLD!!! 7/07
Supercharged 92GT
352rwhp [old blower w/3 1/2lbs]
???rwhp w/S-Trim
2010 Acura MDX Tech/Entertainment
2013 Acura TL SH-AWD
Posts: 1457 | From: San Francisco | Registered: Apr 2003
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166 Merlo
FELONY
MOTORSPORTS
Member # 1549
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posted
quote:
Originally posted by MoostangGT:
Sounds like you have a vacuum leak somewhere. Check both sides of the gauge.. also, does the gauge appear to be working properly?
Definitely. I had a leak in that plastic pipe by the wiper motor once also. It made my brakes hard and gave me the same characteristics you describe.
[ June 13, 2003, 12:14 AM: Message edited by: 87 Saleen ]
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'89 - Boss Coupe
'70 - Drop Cutthang
'68 - Cougnut
'87 - 0166, Its real
Posts: 3954 | From: Thebay | Registered: Jul 2002
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castor
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Member # 2765
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posted
UPDATE:
checked out the vacuum line and it was better after i plugged it back but went back to it's shakyness afterwards and the check engine light went on for a split sec and then turned off.
strange. gonna get a buddy to scan for codes to see that's up.
thanks!
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SOLD!!! 7/07
Supercharged 92GT
352rwhp [old blower w/3 1/2lbs]
???rwhp w/S-Trim
2010 Acura MDX Tech/Entertainment
2013 Acura TL SH-AWD
Posts: 1457 | From: San Francisco | Registered: Apr 2003
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TRIXSNK
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Member # 2844
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posted
cheap way to check for leak is to spray carb cleaner in the area and the idle should rise a little just be careful not to start a fire!! ![[Eek!]](eek.gif)
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9 Sec EVO 9 is GONE!
New project in the works.......
Posts: 3740 | From: Bay Area | Registered: May 2003
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castor
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Member # 2765
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posted
quote:
Originally posted by TRIX02GT:
cheap way to check for leak is to spray carb cleaner in the area and the idle should rise a little just be careful not to start a fire!!
![[Big Grin]](biggrin.gif)
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SOLD!!! 7/07
Supercharged 92GT
352rwhp [old blower w/3 1/2lbs]
???rwhp w/S-Trim
2010 Acura MDX Tech/Entertainment
2013 Acura TL SH-AWD
Posts: 1457 | From: San Francisco | Registered: Apr 2003
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outlawd94cobra
SR.CITIZEN
Member # 265
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posted
have you checked your balancer lately? Just a suggestion......
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CRYSTAL WHITE 1994 COBRA; TOTALED
RIO RED 1994 COBRA INDY PACE CAR; SOLD(now in VACAVILLE)
(#18 of 1000)
BLACK 2002 GT Vert' AUTO; GONE!
Posts: 635 | From: Stockton, CA | Registered: May 2001
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