Question about 1995 Chevrolet Camaro

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Shakes between 1 and 2k RPM. Guzzles gas and didn't use to. It also runs hot when idling

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  • 1,185 Answers

Sounds like your car is losing one cylinder at low revs

Could be a head gasket allowing water into that cylinder

Do you have to keep topping the cooling system up ?

If so you need to get it into a shop for a compression test

Posted on Oct 03, 2009

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Posted on Jan 02, 2017

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1 Answer

High rpm at idle: code P1294 target idle not reached


Hi Rodrigo, The idle control is activated by the temperature sender unit. It sounds as though yours is giving a cold signal to the computer and it pushes up the idle speed to compensate as if it has just started. The sender unit is a different unit from that which operates the gauge on the dash instrument panel. Replace it and I believe your problems will be over.Regards John

Apr 29, 2012 | 1995 Mitsubishi Eclipse

1 Answer

Shakes a lot during idle. I have already replaced the EGR valve, AC clutch, serpentine belt, belt tensioner and three motor mounts. It stops shaking and runs well once you press on the gas. Does not shake...


Try taking it to Autozone or Oreillys for a free scan. At the very least, you want to know what the idle rpm is set at.

It sounds like you may have a leaking Intake manifold gasket. You would test for this with a water mist from a spray bottle. While the engine is running spray around the intake gasket and any Vacuum lines you see. The RPM will change when you find the leak.

I see you want to slow down the idle. If the idle speeded up on its own, that is a sign of an Intake leak. There is a part called a throttle position sensor,TPS, which is really your accelerator. It has a slight RPM adjustment slot on one side of the 2 mounting screws. Both screws must be loosened to move the part.

I am not understanding why, if the engine runs better when you press on the gas, would you want to slow the idle down (which is like not pressing on the gas)?

Anyway, I hope my solutons are very helpful to you and that you can fix your car. Maybe the scan at Autozone will help you.

Dec 13, 2010 | 1999 Ford Escort

1 Answer

1995 Cherokee with 4.0 engine. Intermittently, it will run rough for a few minutes after starting, then run smoothly. Sometimes while driving in light traffic, slower speeds, it will seem to hold engine...


all that an not one RPM stated, making the meter useless.
numbers matter, tell them.
all that can be condensed to idle controls, dead hot.
you took it to a shop but was running great then.
so he guessed, and spent a fortune doing nothing.
why do that. ?
take it in broken, or have them drive it for a day to work.
find a real shop that can do that. and win.,
THE idle controls can fail many a way.
1: the control is bad. (ISC/IAC) they like to stick clean it.
2: vacuum leaks causing above.
3: gross engine misfiring (50 causes)
4: not scanning it. you didnt. so, work blind.

next time post actual RPM, when missing up.
and win, !!!!
the PCM not stuck in LIMP-in mode, will work big time hard
to prevent engines from stalling and to hold spec rpm
700? hot.
the ECU modulates the ISC to hold 700 rpm , HOT, in neutral or DRIVE, if you go P N, D and P, the rpm must hold at spec, 700
if not the ECU is not regulating RPM is it.
and not scanning it now, you may never lean why.
scan cars failing, not working right., and win.

lets say you said, just to show how important numbers are.
RPM is 400 or 500 engine shakes.
EGR stuck open( if it has one,)
or engine gross misfiring ever get a full tuneup this decade, even spark plugs. OMG no>?
injectors leaking or clogged

at the 10min no start.
does 5-10% throttle action (right foot) allow it to start now.
NO, try wide open throttle starts.
bingo, then its flooded
if it floods, post , why does my engine flood. and get other answers
like a tuneup.,

Mar 09, 2017 | 1995 Jeep Cherokee

3 Answers

Would an idle control valve cause a car not to accelerate?


no, idle air control valve is literally to control your idle speed.
what happen when you press on gas? car shakes, RPM goes up, or engine just bogs down?

Mar 09, 2010 | 2004 Infiniti I35

2 Answers

Hi, I have a 2006 Altima with 31,500 miles. Recently, the engine start shaking when car is Idle but I still feel the shake when driving or at red lights. My second problem is a weird loud (humming) noise...


You don't need to change the spark plugs since it has only 31.5 K. The plugs should last 60K. There is a an adjustment at the gas cable end at engine to increase the idle a little bit. You can increase rpm at idle to 600 RPM. Since your RPM at idle is low that why it is shaking at idle, red lights. Let me know it it is shaking at high speed ( 2500 RPM)

Sep 13, 2009 | 2006 Nissan Altima

1 Answer

Rough idle engine ticking


check for a lose spark plug lead or cracked elecrod insulation on spark plug

Jul 09, 2009 | 1990 Isuzu Spacecab

1 Answer

Idle down to 500 rpm


POSSIBLY DISTORTED THE INTAKE PLENUM OF ONE OF THE GASKETS AND IS CAUSING A VACUUM LEAK, ONCE YOU ARE DRIVING THE VACUUM DECREASES AND THE PROBLEM GOES AWAY

Mar 22, 2009 | 1998 Oldsmobile Bravada

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