rpm gauge acting funny - Maintenance and Repair Forum

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rpm gauge acting funny
Friday, January 27, 2006 5:35 AM
ok today my cavy ir running good but when i go to stop the rmp thing goes all the way down two 0 but when i hit the gas it runs fine and works all good it is just when i stop it does it some one help me



Re: rpm gauge acting funny
Friday, January 27, 2006 1:57 PM
i am having the same issue ...., runs perfectly fine, but whenever i stop at a light or stop sign or whatever, the rpm's dip down from 700 to about 300-400 and give the impression that its going to stall but the car kinda saves itself from stalling...... *waiting for posts*



Re: rpm gauge acting funny
Friday, January 27, 2006 5:08 PM
I got the same thing many times. I dont know.



Re: rpm gauge acting funny
Sunday, January 29, 2006 10:18 AM
Brian Lindsay wrote:i am having the same issue ...., runs perfectly fine, but whenever i stop at a light or stop sign or whatever, the rpm's dip down from 700 to about 300-400 and give the impression that its going to stall but the car kinda saves itself from stalling...... *waiting for posts*


sounds like an 02 sensor to me, if the car is actually dropping RPM's


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Re: rpm gauge acting funny
Tuesday, January 31, 2006 3:16 PM
just to update the few on this post if u decide to check...., : my check engine light had been coming on and off for awhile and the rpms where getting worse when i stopped so i took it to the shop and it turned out to be ignition stuff. plugs, boots, and i cant remember the name of the other piece, but its a pretty big white plastic looking thing that the spark plugs seem to go through. u can see it if you look under the top cover on engine. appearently these things are known to short out and the mechanic said he has done a ton of these and gm is stupid for never remaking this part better...



Re: rpm gauge acting funny
Wednesday, February 01, 2006 5:40 AM
You know, i've actually been having this problem ever since i bought my 2000 cavalier ( with the 2.2 engine ).. it's only got 75k miles on it, i don't have a tach but i have a loud exhaust and i can actually hear the rpm's dropping *way low* .. in the span of 3 months the car has stalled on me twice.

I have no performance issues but at high speeds on the highway ( 80mph+ ) the sound coming from my engine varies in tone.. it kinda stays high pitched with a little dip in pitch every second.. and the idling is definetely erratic, especially in the morning!

I was told by my boss that this was due to @!#$ty coil packs in the older cavaliers. Brian, is that what they replaced? I replaced my spark plugs & wires.. it only gave me a performance gain - the problem still remains. If they replaced the coil packs, i will go and buy some MSD coil packs *right now* because this problem freaks me out..

Sadly, no more..
Re: rpm gauge acting funny
Wednesday, February 01, 2006 9:37 AM
no i dont think so...., it was called the "ignition housing", i only glanced at it, as he showed me how the bottom of it was all burnt black and its a big piece of white plastic that may or may not of had electrical stuff in it... im really not sure. maybe 2.2 and 2.4 are diff.



Re: rpm gauge acting funny
Wednesday, February 01, 2006 7:59 PM
2.2 and 2.4 r def dif, id replace it with AC delco platinum OE plugs and if it doesnt work get new boots/housing.... or do it all at once




Re: rpm gauge acting funny
Thursday, February 02, 2006 1:30 AM
aren't boots also known as coil packs?

Sadly, no more..
Re: rpm gauge acting funny
Thursday, February 02, 2006 11:11 AM
Brian Lindsay wrote:no i dont think so...., it was called the "ignition housing", i only glanced at it, as he showed me how the bottom of it was all burnt black and its a big piece of white plastic that may or may not of had electrical stuff in it... im really not sure. maybe 2.2 and 2.4 are diff.


2.2/2200 = no housing over the sparkplugs in the housing cover. To be honest... it makes changing plugs a f(&&ucking pain in the ass.



My Cav
I give up...
i'm buying a VW those people love trees, so they should love eachother too... "Andy"
Re: rpm gauge acting funny
Saturday, February 04, 2006 2:32 PM
Funny. i just removed bosch platinum +4 spark plugs from my car and replaced them with ngk v-powers and i no longer have the problem.

Sadly, no more..

Re: rpm gauge acting funny
Tuesday, February 07, 2006 11:51 AM
I just had the same problem today, but my car actually stalled, more than one time within my drive home from school. I got Bosch +4's. Anyone think it would help if i went and got diff. plugs?



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