Oil Cap Stumble
#1
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Oil Cap Stumble
Quick question.
After Driving my z around for a while I noticed this.. .
I pop opened my hoood, ( While the engine was idling), then
I removed the oil cap , the car seemed to stumble suddenly ... As soon as I put it back on its fine...
Is this normal.. ( I removed it a couple of times. just to check..) I did the same thing every time... It stumbles very slightly. ( It won't turn off or anything...
I even tried placing my hand over the filler cap, for a short while while the engine was idling .. then removing it.. after removing it ... It would stumble slighly also..
Is this normal
Thanks in advance.
After Driving my z around for a while I noticed this.. .
I pop opened my hoood, ( While the engine was idling), then
I removed the oil cap , the car seemed to stumble suddenly ... As soon as I put it back on its fine...
Is this normal.. ( I removed it a couple of times. just to check..) I did the same thing every time... It stumbles very slightly. ( It won't turn off or anything...
I even tried placing my hand over the filler cap, for a short while while the engine was idling .. then removing it.. after removing it ... It would stumble slighly also..
Is this normal
Thanks in advance.
#5
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Noticed this when the car is idling.... at normal operating temperatures... and I open the oil cap .. The Car stumbles slightly ... You can hear a change in idle speed.
Then If I put my hand on the oil cap hole,
it creates a suction.. If I remove it it stops.... ( Changes in Idle Speed again)
Is this normal.. . Or Does this means BAD RINGS..??
My Brothers 99 Vette Does not do that.. I tried it on his..
( Had his car Idling ,then I proceeeded to take the oil cap off.
and his car did not stumble.)
Thanks
Then If I put my hand on the oil cap hole,
it creates a suction.. If I remove it it stops.... ( Changes in Idle Speed again)
Is this normal.. . Or Does this means BAD RINGS..??
My Brothers 99 Vette Does not do that.. I tried it on his..
( Had his car Idling ,then I proceeeded to take the oil cap off.
and his car did not stumble.)
Thanks
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Who's .. The Vette... No. Stock.
Mine (THE Z) .. . I am more worried about the Vaccum It creates
when I put my hand in the oil cap.. and why it stumbles too..
It tends to ilde at at about 1000-1100. ( Manual)
worried about the Vaccum It creates
when I put my hand in the oil cap.. and why it stumbles too..
BTW... My PCV is stock...
Someone...
Can you all check to see if you all's car does this while idling
at normal operating temps
Check to see if stumbles or creates a vaccum with the oil cap off.
Mine (THE Z) .. . I am more worried about the Vaccum It creates
when I put my hand in the oil cap.. and why it stumbles too..
It tends to ilde at at about 1000-1100. ( Manual)
worried about the Vaccum It creates
when I put my hand in the oil cap.. and why it stumbles too..
BTW... My PCV is stock...
Someone...
Can you all check to see if you all's car does this while idling
at normal operating temps
Check to see if stumbles or creates a vaccum with the oil cap off.
Last edited by WhiteMamba; 07-24-2006 at 02:39 AM.