Question about 1994 Pontiac Bonneville

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FUEL INJECTION PROBLEM

MY CAR HAS A PROBLEM (I DON'T KNOW ), BUT I RECENTLY RAPLACED IT THE "IDLE AIR CONTROL VALVE", THE SERVICE ENGINE SOON LIGHT TURN OFF, BUT THE PROBLE THAT I HAVE IS LIKE MY CAR IS ACCELERATED ALL THE TIME LIKE WHEN YOU PUT YOUR FOOT ON THE IDDLE GAS (SPEED TOO MUCH) EVEN WHEN I PARKING MY CAR OR ANY STOP THAT I MADE IT.GIVE ME A SOLUTION TO MY CAR'S PROBLEM.

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You have to follow a certain procedure when replacing the IAC(idle air control. If you dont follow the correct procedure the pintle will stay in the wrong position, ie: it will not cover the opening in the throttle body and result in a high idle condition.

Posted on Feb 06, 2009

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Posted on Jan 02, 2017

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1 Answer

Does my 2002 Chevy Impala have an idle speed control screw that I can raise my idle speed with


Well then you have a problem with the IAC - idle air control valve , air fuel mixture , mass air flow sensor , vacuum leak or some other problem with electronic fuel injection , OBD 2 ,emissions etc... There is an idle speed , minimal setting .Adjusting this will throw off the computer system , check engine light will come on an you won't be able get it to go out ! The PCM - engine computer controls the idle speed through the use of the IAC - motor or valve . Idle Air Control Valve You need to have it fix properly ! Check engine light on ?

Sep 19, 2016 | 2002 Chevrolet Impala

1 Answer

I have a service engine soon light on and have hooked up an OBD11 reader to it and got code P0410 pertaining to a secondary air injection problem. hoses are fine, pump is new.


P0410 Oldsmobile - Secondary Air Injection System Malfunction

Possible causes: - Faulty Vacuum hoses damaged
- Faulty Air Pump inoperative
- Air bypass solenoid harness is open or shorted
- Air bypass solenoid circuit poor electrical connection
- Air bypass solenoid leaking/blocked or stuck open/closed
- Air diverter valve leaking/blocked or stuck open/closed

Tech notes: Visually inspect AIR pump and AIR bypass valve harness and connector, if connector are OK, then replaced AIR bypass valve.

When is the code detected? The secondary air injection system does not detect the presence of air in the exhaust when introduced by the secondary air injection system.

Possible symptoms: - Engine Light ON (or Service Engine Soon Warning Light)
- Engine hesitation

P0410 Oldsmobile Description An air pump is used on the vehicle to lower tail pipe emissions on start-up. The Powertrain Control Module (PCM) grounds the Air pump relay control circuit which energizes the Air pump. The PCM also grounds the Air combination valve vacuum control solenoid circuit, which energizes the Air vacuum control solenoid. Vacuum is then applied to both Air combination valve diaphragms which opens the shut off valves. The PCM enables both circuits simultaneously when Air system operations id desired. When the AIR system is active, then Air pump forces fresh air into the exhaust stream in order to accelerate catalyst operation. The AIR combination valves replace the conventional check valves. When the AIR system is inactive the shut off valves prevent air flow in either direction.
P0410 Oldsmobile Secondary Air Injection System Malfunction

May 30, 2015 | 2001 Oldsmobile Intrigue

7 Answers

Car runs when gass is applied, stalls when no gas is applied


is there any service engine soon light? - usually a bad throttle position sensor or idle air control valve - your local auto parts store can read your ses codes and go from there

May 22, 2014 | 2000 Ford Focus

1 Answer

I replaced my secondary air check valve on my 2001 chevy tahoe but code 1416 still comes up. what else can i check


here is what i found on p1416.



P1416 Chevrolet
P1416 Chevrolet - Secondary Air Injection System Bank 2
Possible causes
- Faulty Secondary Air Injection (AIR) pump
- Secondary Air Injection check valve bank 2
- Secondary Air Injection (AIR) pump electrical circuit fault
- Blocked Secondary Air Injection (AIR) system

When is the code detected?

The P1416 code is set when no O2 sensor voltage change is detected by the Engine Control Module (ECM).


Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)


P1416 Chevrolet Description
An Secondary Air Injection (AIR) pump is used on this vehicle to lower tail pipe emissions on start-up. The PCM supplies a ground to the AIR pump relay, which energizes the AIR pump. The Powertrain Control Module (PCM) monitors the HO2S voltages to diagnose the AIR system. During the AIR test the PCM activates the AIR pump during closed loop operation. When the AIR is activated, the PCM monitors the HO2S voltages and short term fuel trim values for both banks of the engine. If the AIR system is operating properly, the HO2S voltages should go low and the short term fuel trim should go high.

Jan 23, 2014 | 2001 Chevrolet Tahoe

1 Answer

My 2005 Nissan Altima 3.5 is idling at 800 rpm's, and my service engine soon light came on. The code read for a Chrysler? P1283, and Fuel pump module detected an incorrect low idle, low idle select...


Make sure you are looking up the code properly. 1283 for Nissan indicates a lean condition on bank 2. See link below. A vacuum leak is likely, but make sure the new sensor is recalibrated. Did you perform the relearn procedure after replacing the sensor? If not, see the second link below. If you ran the relearn procedure and cleared all codes but 1283 comes back, look for a loose vacuum line or leaky intake manifold gaskets. P1283 Nissan Air Fuel Ratio Sensor 1 Lean Shift Monitoring Bank 2 1998 2012 Nissan Altima Clear Mixture Ratio Self Learning Control Data

Jun 21, 2017 | Cars & Trucks

1 Answer

Revs high


If the idle speed is normal until you shift into a gear, the idle air control valve is probably raising the idle speed. Try unplugging the iac motor at idle then shift into drive.
If the IAC is raising the RPM the computer controls it, so for some reason the computer thinks the RPM needs to go up. I am assuming you do not have a check engine light on or you would have checked for trouble codes.
Just for the record, I am showing the same IAC for both transmissions on a 2.0 engine code 3.
Is it possible the battery was disconnected and the learn process needs to be done for the computer to know where normal idle speed is ?

Jul 29, 2013 | Ford Focus Cars & Trucks

1 Answer

Over-revving


is there a check engine or service soon light on the dash? it sounds to me like either your idle air control valve is faulty or the fuel system temperature sender is faulty(you car doesnt know it needs to choke itself when its cold) be careful forcing it to start with the throttle. if its running lean you could damage your engine.

Mar 07, 2012 | 2000 Ford Contour

3 Answers

Car stalls at idle (sometimes), and often acts like it wants to stall at low speed after the engine has been running a long time or in a drive-thru. Symptoms are rough idle, dimming headlights, engine...


I believe you have 2 different problems here. P0410 is the secondary air injection, which only turns on when the engine is cold at first start up for about 20 seconds. All it does is blow extra air into the exhaust to reduce emmisions. There are 3 fuses and items that run this system: Check Valve ($125), Air Pump ($280) and Relay ($50). Prices came from Napa, so I'm possitive you'll find any of these much cheaper elsewhere. My guess is the relay since you have dimming.

Did you recently have the battery disconnected? Trying to address the stalling while at idle. If so, it's your throttle body, needs to be cleaned. If you want instructions on how to do this yourself, let me know, will only cost you about $4. I know the dealer charges about $85 to clean this where I live, which is outrageous! If you do have a shop do the work, make them remove the throttle body to clean it, don't just clean the outside of it.

Even if you don't do this work yourself, at least you know the lingo and shouldn't be surprised.

Good luck!

Jun 20, 2011 | 2004 GMC Envoy

2 Answers

I have a '99 Camry w/109,000 miles which keep cutting out some-


  1. CHECK FOR VACUUM LEAKS
  2. Throttle body or egr valve carbon build up
  3. Tps Bad? any Codes ?
  4. CARB/INJECTION Cleaner Spray into intake While at Approx 3500 RPM
  5. STP Feul Injecttion cleaner for TANK Pore it in W/ 1/2 tank run in on inerstate at 70-80 if u can get the COBWEBS OUT so to speak

Jan 13, 2009 | 1999 Toyota Camry

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