When does a Chevy Cobalt go to idle?

When decelerating on the freeway to come to a virtual stop for traffic, when stopping at a stop light, when pulling out of the driveway, or at any point when the RPM’s fall quickly to idle speed I have an irratic idle. This morning it actually stalled when I was pulling up to a stop sign to pull out of my subdivision.

What causes a Chevy Cobalt to run strong?

There is a ton of carbon build-up in these intake’s. only requires removing 4 bolts from the body and the air intake off of the top, and a $2 can of cleaner. Idle runs strong now,with no hesitation. of course i have 50 electrical issues to figure out, buying a ford next time around. 44 people found this helpful.

When do Check Engine Lights Come On on a Chevy Cobalt?

It did restart right away. When the Idle is rought the lights dim on the car, power steering becomes weak, and other problems you would expect when your idle drops and your car is about to stall. No check engine lights come on at all (I wish they did, I have a nice scantool).

What is the DTC code for a cobalt engine?

It is code P0121. I reset the PCM by disconnecting the battery. Okay.. thank you. If the PCM detects the airflow rate is more than expected, DTC P0121 sets. The powertrain control module (PCM) uses the following information to calculate an expected airflow rate: Your 121 code is a result of another failure.

When did the Chevy 2.2 long block come out?

This version of the Chevy 2.2 motor was in production until 2003 when it was replaced by the Ecotech. During that time Buick, Oldsmobile, Pontiac Isuzu, Chevy and GM cars and trucks. 134 can even be found in some postal vehicles. Our long block comes completely remanufactured with upgraded parts and is far superior to any rebuilt Chevy 2.2.

What was the last year Chevy 2.2 was made?

In 1998 the 2.2 was named the 2200 and had a slightly lower power ratio then earlier models, this was due to GM’s attempt to reduce emissions. A stock 134 still comes in a round 115 horsepower. This version of the Chevy 2.2 motor was in production until 2003 when it was replaced by the Ecotech.

Is the Chevy 2.2 134 still in production?

A stock 134 still comes in a round 115 horsepower. This version of the Chevy 2.2 motor was in production until 2003 when it was replaced by the Ecotech. During that time Buick, Oldsmobile, Pontiac Isuzu, Chevy and GM cars and trucks. 134 can even be found in some postal vehicles.

What’s the SETP 3 for a Chevy Cobalt?

Setp 3: drive the car around moderately and idle with only slight acceleration to moderate acceleration if needed. OR you can drive around moderately until normal performance returns. Step 4: place the PARKING BRAKE ON and LEAVE the SHIFTER in DRIVE for automatics and “NEUTRAL for all MANUALS.

Why does my Chevy Cobalt stall at the stop sign?

This morning it actually stalled when I was pulling up to a stop sign to pull out of my subdivision. It did restart right away. When the Idle is rought the lights dim on the car, power steering becomes weak, and other problems you would expect when your idle drops and your car is about to stall.

What kind of tune does a Chevy Cobalt LNF use?

I have seen a stock tune LNF with an Intake and Catless DP make 254 whp and 272 wrtq thousands of miles after first adding the mods. That car stock on that same dyno would make closer to 240 whp and 250 wrtq. Below are the main tunes listed available for the LNF, and a comparison on some of their major points.

Who is the owner of the Chevy Cobalt?

GENERAL MOTORS, GM, the GM Emblem, CHEVROLET, the CHEVROLET Emblem, and the name COBALT are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice.

What kind of radiator coolant does Chevy Cobalt use?

The cobalt uses ONLY DEX-COOL extended life radiator coolant and cannot be mixed with the regular green anti-freeze radiator coolant, as will form an acid that is very damaging to your cooling system.

How do you fill the surge tank on a Chevy Cobalt?

The second procedure to fill the radiator is to just fill the surge tank bottle to the correct level then close lid, start the car, open your heater to full and let it run until it is hot. The radiator fans will kick on about 220F – 230F when hot air blows from your car heater, you know the coolant is circulating and thermostat is open.

How do you turn off the heated seat on a Chevy Cobalt?

Both indicator lights will be lit to indicate that the setting is on high. Press the side of the switch with the single indicator light to go to the low setting. The indicator light will be lit to indicate that the setting is on low. Return the switch to the center to turn off the heated seat.

How many miles does a Chevy Cobalt have?

It has 127k miles. I did a tune-up at 100k miles. (spark plugs, k&n filter, belt, and went to full synthetic oil) I noticed the car having a rough idle when slowing down. I recently bought a bottle of seafoam, and did an oil change and cleaned the k&n. After 1000miles my car has significantly inproved.

Are there any problems with the Chevy Cobalt?

The problem with GM TB in the newer balts is this…It does way too many functions as one device. in theory its great.

What’s the idle air control on a cobalt?

You have the Throttle control and the Idle air control and its all automated AND it electronically controls down-shifting int he transmission. great fantastic. except the electronics are completely unreliable…so its just a disaster. 15 people found this helpful. vizard answered 21 minutes ago FIXED…semi-fixed anyway.

What causes Ford Focus to stall in cold weather?

According to Ford TSB 04-21-13, a cold stalling problem with 2003-2004 Ford Focus models with 2.0L SPI engine during extremely cold weather can be caused by a faulty PCV valve that sticks open, allowing too much air to be sucked into the intake manifold.

What causes cold stalling on a fuel injected engine?

On fuel injected engines, cold stalling can also be caused by conditions that upset the air/fuel mixture. This includes vacuum leaks or unmetered air entering the intake manifold downstream of the airflow sensor, a faulty throttle position, MAP or oxygen sensor, dirty fuel injectors,…

Why does my car idle with a new air filter?

Air filter has nothing to do with it. You could run a new air filter. An old air filter. Hell, shove a stray cat in there. It’s not going to affect how the car idles. You either knocked a hose loose that is behind the MAF (allowing unmetered air to enter the throttle) or the MAF came unplugged.

What kind of engine does a 2005 Chevy Cobalt have?

Have a 2005 Chevy Cobalt. The for a few months the engine would hover at around 500 rpms at idle. Last week, it started rattling and by the end of the week the engine light came on, said “ENGINE POWER REDUCED” and completely died.

When did my 2005 Chevy Cobalt shut off?

I bought my 2005 Cobalt in 2007, was a really good car up until it started shutting off at stop signs and stoplights. This is really scary, it has also shut off when pulling out into an intersection. I am scared to death I will be rear-ended. It is getting so bad that I refuse to drive the car any longer.

What’s the RPM fluctuation on a Chevy Cobalt?

The diagnosis from the scanner shows the torque convertor works as it’s designed to. It engages around 60 km/h-2000 RPM. When I drove and he watched the sanner, of course I was able to duplicate this bouncing tach needle.