Question about 1997 Chevrolet Camaro

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Idles but will not take fuel - 1997 Chevrolet Camaro

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  • wayne
    wayne May 11, 2010

    please explain the symptoms, what do you mean will not take fuel?

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Check your fuel pressure regulator

Posted on Nov 19, 2009

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Posted on Jan 02, 2017

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Rough idle in drive, correct rpm


Car idle is rough Inspection Service & Cost A rough idling engine can be caused by a number of issues, some of them are serious while others tend to be minor, but the symptoms remain pretty much the same. The car will feel rough and bouncy when the engine is running. The car will also idle below its regular speed, display inconsistent RPMs and may produce a shaking, skipping or slipping sound when the vehicle is running.
While a rough idling engine may seem to be a simple inconvenience it often indicates a deeper problem within the engine. The vehicle should be inspected and repaired as soon as possible because small problems have a way of turning into expensive repairs. How this system works: The idle speed of an engine is basically the rotational speed the engine runs on when it is un-coupled from the drivetrain and the throttle pedal is not being depressed. The idle speed is measured in the revolutions per minute of the crankshaft.
When an engine is running at idle speed it generates enough power to smoothly operate equipment such as the water pump, alternator, and power steering but not enough power to move the vehicle itself. A passenger car will usually idle between 600 RPMs and 1000 RPMs. A properly functioning idle should run smoothly without skipping or slipping. Common reasons for this to happen:
  • Dirty Fuel Injectors: The fuel injection system injects fuel into the cylinders, which creates a mix of air, and fuel to ignite and burn. Fuel injectors have tiny nozzles to spray the fuel into the cylinder and they can become clogged over time. clogged or failing fuel injector creates a lack of fuel in the vehicle's engine. This can cause a rough idle, it can also cause symptoms such as slow acceleration or the car not feeling as if it has enough power. If the problem is addressed early, it is possible to clean the injectors, which will restore them to full function. If this condition is not addressed in a timely manner the injectors will need to be replaced. Incorrect Idle Speed: While the average idle speed falls between 600 to 1,000 RPMs, if your vehicle is experiencing a rough idle it could be due to an incorrect idle speed setting. A trained mechanic can easily adjust the idle speed, and it should stay at the proper speed. If an adjusted idle speed becomes inconsistent or changes at random intervals there may be a bigger problem that needs to be explored. Vacuum Leak: If the vacuum system has a leak, it can seriously affect the ability of the vehicle's computer to regulate the air to fuel ratio. This can lead to a rough idle and if the problem is not addressed the car may experience slow acceleration and a lack of power. Vacuum leaks should be inspected and repaired immediately. Incorrectly Installed or Damaged Plugs: Spark plugs are responsible for creating the spark that allows the vehicle to burn fuel. If spark plugs are improperly installed or malfunctioning, the idle speed can be affected. The vehicle's engine may vibrate or there may be slipping or straining sounds coming from the engine. Defective or Clogged Fuel Pump: A rough idle can be related to fuel delivery issues. The fuel pump, which is responsible for pulling fuel from the gas tank to the fuel injectors, can become clogged or defective. If this happens the engine will not get enough fuel, which can cause a rough idle, sputtering, stalling and even slow acceleration. Clogged Fuel Filter: A clogged fuel filter can cause similar problems. The job of the fuel filter is to screen out contaminants in the fuel, over time it will become clogged and need to be replaced. A rough idle is one symptom of a clogged fuel filter. Failing Electrical Components: A problem or failure in the ignition system or various electronic components can cause a rough idle. If this is the case, the problem will usually get worse as RPMs increase. Common culprits include the ignition control module, plug wires, coils, and spark plugs. Defective Airflow Sensor: A defective airflow sensor can be responsible for a rough idle. A mass airflow sensor detects the amount of air coming into the fuel injection system and sends that information to the vehicle's computer. The computer uses that data to deliver the proper amount of fuel to the air in the vehicle. Over time these sensors can malfunction or become dirty. One of the first symptoms of a malfunctioning airflow sensor is a rough idle. The car may also accelerate slowly and even stutter or stall as the problem progresses. Dirty Oxygen Sensor: Oxygen sensors measure how rich or lean the gases are as they exit the combustion chamber. Depending on the results, the amount of fuel entering the engine is adjusted by the vehicle computer. The ultimate goal is to maintain an ideal mixture that produces the lowest emissions. A dirty or failing oxygen sensor will usually trigger the check engine light and can lead to a rough idle, lower fuel efficiency and failed emission test.

Sep 28, 2016 | AC Cars & Trucks

1 Answer

What should the fuel pressure be at idle


Fuel pressure on idle? - evolutionm.net

www.evolutionm.net/forums/ecuflash/585049-fuel-pressure-idle.html
Nov 22, 2011 - Hi, I have Detschwerks 300 fuel pump and stock fuel regulator. I have 35 psi (~2.4 bar) on idle (850 rpm). Shouldn't I have something like 43 psi ...

Fuel Pressure Test - YouTube

? 8:52
https://www.youtube.com/watch?v=_oXLUqE4Sf0
Dec 29, 2013 - Uploaded by ChrisFix
Learn how to test your fuel pressure, how to test your fuel pressure regulator, ... If your car is idling or running ...

What should my fuel pressure be at idle through max rpm? - Hot Rod ...

www.hotrodders.com > Tech Help > Engine

Oct 20, 2008 - 11 posts - ‎8 authors
I have 3psi of pressure at idle. My fuel pressure gauge is under the hood so I cant see it when im driving. When im reving it up in park while ...

What should the fuel pressure be at idle? - Ford Mustang Forum



Jan 07, 2016 | Cars & Trucks

1 Answer

Engen problem and missing


Sir, your question is not very clear, but I will still try to post a solution here. Engine missing could be due to any problem in fuel system, ignition system, engine or ECM as well.

LOW ENGINE IDLE SPEED (Poor idling):
-Throttle body (do the cleaning and idle speed learning)
-A /C signal circuit
-Fuel pump control circuit
-Fuel pump
-Intake system
-P C V valve (clogged or open) and hose

ROUGH IDLING:
-Cylinder Compression
-Ignition system (Igniters, spark plugs, wiring harness)
-Spark plug fouled, gap too wide or too short. (1.00-1.1 mm)
-Fuel injector circuit
-E C M power source circuit
-Fuel pump control circuit
-Fuel pump (required pressure 44 psi - 49 psi)
-Throttle body (cleaning)
-Intake system
-P C V valve and hose
-Air fuel ratio sensor
-Heated oxygen s ens or
-Mass air flow meter
-Idle hunting
-Throttle body
-Intake system
-P C V valve and hose
-Air fuel ratio sensor
-Mass air flow meter

HESITATION/ POOR ACCELERATION:
-Fuel pump control circuit
-Fuel pump
-Spark plug
-Ignition system
-Fuel injector circuit
-E C M power source circuit
-Mass air flow meter
-Throttle body (do cleaning)
-Intake system
-Valve timing
-Cylinder Compression


Jan 18, 2014 | 2008 Toyota Corolla

1 Answer

Rough idle on a 1995 cougar rx7 & stalls out loads


air sensor or fuel sensor it is mixing to rich

Aug 15, 2013 | Cars & Trucks

2 Answers

Idling problem


need to adjust idle speed by turning air adjusting screw on throttle body idle should be 750 - 790 RPM. make sure spark plugs and wires okay. make sure distributor cap and rotor good.replace fuel filter do a little tune because if engine not fine tuned one bad cylinder will cause engine not to idle if you have fuel injection system clean fuel injectors by filling gas tank full add a can of seafoam to fuel tank see what happens.

Jul 29, 2013 | 1988 Mazda B2200

1 Answer

When I stop or sit in neutral my 2000 Volvo S80 idle goes up and down, how can I fix this?


symtom of faulty I A C motor (idle air control motor) this regulates the idle air to fuel ratio when at idle, when faulty dumps more fuel ,then the o2 sensors tell computor to much fuel for throttle position/ speed so computor backs off fuel almost stalls dumps fuel again and repeats. we call this hunting. because air/ fuel mixture changes idle goes up n down.
im sure the dealer will gladly relieve you of lots of money.....try aftermarket or an auto wrecker may have one . careful i've seen some volvo engine parts need programing after instalation (dealer only)!!!

Feb 02, 2012 | 2000 Volvo S80

1 Answer

Will idle but when put in gear and moved will die


IDLE SPEED TO LOW.MANUAL TRANSMISSION IDLE SPEED IS 750 RPM AND AUTOMATIC TRANSMISSION IDLE SPEED IS 850 RPM.IF IDLE SPEED IS CORRECT YOUR PROBLEM COULD BE STOPPED UP FUEL FILTER OR FAULTY SPARK PLUGS AND WIRES.YOUR IGNITION TIMING IS OFF.YOU COULD HAVE INTAKE VACUUM LEAK AT INTAKE MANIFOLD OR EGR VALVE GASKET LEAKING OR BAD FUEL INJECTOR IF YOU HAVE FUEL INJECTION.FAULTY MECHANICAL FUEL PUMP IF CARBURETOR.ALSO CARBURETOR FLOAT BOWL TOO LOW.

Feb 15, 2010 | 1991 Toyota Pickup

1 Answer

89 dodge shadow. hard start. normal idle cold, fast idle warm. sometimes it wont start until i hear fuel pump activate.


Hello,
The car may be hard to start because it may need a normal tune-up. If the spark plugs are pretty used, they will slowly stop burning as much fuel because the spark slowly gets lesser and lesser. On a cold day the fuel is harder to ignite with a small amount of spark.
Normal idle when its cold means that your cars idle is probably too high. If you lower the idle, the choke on a cold day will keep the idle a little higher until the motor warms and then it will kick back off. If the idle is too high, it will run very rich, smothering itself with fuel, and causing the idle to stay low. When the car warms, its creating better spark when its warm, and with the idle being too high its running at a fast idle.
The car wont start sometimes can be the cause of a few things. If the ground is bad on the fuel pump, it wont make a good connection sometimes for when you turn the key on, the fuel pump dont pump the fuel to the engine. Another one can be that your accessory switch can be loose going to the fuel pump. I think its your ground though. Good luck! Hope this helps.
Have a nice day. -Steve

Dec 06, 2009 | 1989 Dodge Shadow

1 Answer

4.3 Liter V-6 Idles rough when in gear, runs fine on highway.


Can you check fuel trims at idle and under load?
If fuel trim is high at low speed and load, look for a vacuum leak.
If fuel trim is high at high speed and loads, look for fuel volumn problem or restriction.
If fuel trim is high at all speeds and loads look for pcm input fault, maybe a maf sensor problem?
If fuel trim is negative low speed and load, look for fuel pressure regulator or injector leak. If fuel trim is negative at all speeds and loads check ect and iac.

If you have the spider fuel system, that system is noted for problems. key on engine off, 60--66 psi fuel pressure.

Mar 06, 2017 | 1999 Chevrolet Silverado 1500

1 Answer

Olds alero 2.4 idle fuel pressure


most likely idle air control sensor or low engine coolant I know sounds funny but IAC uses coolant to regulate idle. Idle air control valve or throttle body positioning sensor.

Dec 10, 2008 | 1999 Oldsmobile Alero

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