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ENIGEN SURGES DOES NOT RESPOND TO THROTTLE POSITION

MOTOR SURGES ON CHOCK NO SMOOTH INCREASE IN RPM WHILE IN NEUTRAL WHILE PRESSING ACCLORATOR

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  • 88 Answers

Sounds like an air leak in the intake system check the air intake system for leaks or an unplugged wire to the air flow sensor

Posted on Mar 15, 2014

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: fuel system

Check the fuel system, chenge fuel filter. clean the fuel tank.

Posted on Oct 19, 2008

Mmurad
  • 46 Answers

SOURCE: base idle speed adjustment....1KZ-TE 3.0 litre turbo.

Hi djay ,you need to check the vacuum pipes beneath the injector pump it they are intact and test them with a vacuum gauge. The work of this vacuum is such that when you put it drive the vacuum increases the idle speed slightly.

Posted on Dec 09, 2008

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SOURCE: rough idle / engine surges until power is applied

Sounds like a possible vaccume hose leak?

Posted on Feb 07, 2009

Selvol
  • 115 Answers

SOURCE: 99 passat with eratic throttle and p1545 code

Does the Car drive????

Sounds like you ran extremly LOW on gas or out.

You need to have the throttle reset..

Try a VW shop. The'll have to use VAG com.

If it is what I think it is.

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Posted on May 14, 2009

didik23
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SOURCE: '87 300ZX(NON-TURBO) STALLS OUT/BOOGS DOWN

overhaul of carb needed, check the vaccum advancer for wear n tear, rapace f necessary fo

Posted on Jul 19, 2009

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What is a solution to fixing the mass air flow system, with code po121


DTC P0121: Throttle Position (TP) Sensor 1 Performance
Circuit/System Description
The engine control module (ECM) uses the following information to calculate an expected airflow rate:
?€¢
The throttle position (TP)


?€¢
The barometric pressure (BARO)


?€¢
The manifold absolute pressure (MAP)


?€¢
The intake air temperature (IAT)


?€¢
The engine RPM


P0121 The predicted air flow and the predicted MAP combined are outside a calibrated range for more than 3 seconds.
Circuit/System Testing

  1. Inspect for the following conditions:
  2. ?€¢
    Vacuum hoses for splits, kinks, and proper connections as shown on Vehicle Emission Control Information label


    ?€¢
    Inspect thoroughly for any type of leak or restriction


    ?€¢
    Air leaks at throttle body mounting area and intake manifold sealing surfaces


    ?€¢
    Throttle body for dirt, debris, and coking--Refer to Throttle Body Cleaning.

  3. Allow the engine to reach operating temperature. Observe the MAP Sensor Voltage parameter with a scan tool. Voltage should be more than 0.8 volt and less than 4 volts.
  4. ?‡'
    If more than 4 volts or less than 0.8 volt, refer to DTC P0106.

  5. Idle the engine. Observe the MAP Sensor kPa parameter with a scan tool. Increase the engine speed slowly and then back to idle. The MAP sensor kPa should change smoothly and gradually as engine speed is increased and returned to idle.
  6. ?‡'
    If the MAP sensor kPa does not change, refer to DTC P0106.

  7. Take a snapshot of the engine data list while performing the actions listed below. The mass air flow (MAF) sensor g/s should change smoothly and gradually as the engine speed is increased and is returned to idle.
  8. ?€¢
    Idle the engine.


    ?€¢
    Increase the engine speed slowly to 3,000 RPM, then back to idle.


    ?€¢
    Exit from the snapshot and review the data.


    ?€¢
    Observe the Mass Air Flow (MAF) Sensor parameter frame by frame with a scan tool. The MAF sensor g/s should change smoothly and gradually as the engine speed is increased and is returned to idle.


    ?‡'
    If the MAF sensor g/s does not change smoothly and gradually as the engine speed is increased and is returned to idle, refer to DTC P0101 or P1101.

  9. Inspect the throttle body for the following conditions:
?€¢
Loose or damaged throttle blade


?€¢
Broken throttle shaft


?€¢
Any throttle body damage


?‡'
If any of these conditions exist, replace the throttle body assembly.

Jun 20, 2015 | 2008 GMC Sierra 1500 2WD

1 Answer

What is the ignition timing for 2002 nissan hardbody 2000i 16v


Here are the 3 engines listed for this year. IGNITION TIMING

2002 Nissan/Datsun Truck Frontier Pickup 2WD 2.4L SFI 4cyl

The Ignition Timing

18-22 DegreesBefore top dead center - When throttle positionsensor disconnected and using suitably programmedscan tool.When adjusting idle speed, set parking brake & chock drive wheels, curb idle speed (750-850 RPM)transmission in neutral.

IGNITION TIMING

2002 Nissan/Datsun Truck Frontier Pickup 2WD 3.3L SFI 6cyl

The Ignition Timing

8-12 DegreesBefore top dead center - throttle position sensorharness disconnected.When adjusting idle speed, set parking brake & chock drive wheels, curb idle speed (700-800 RPM)transmission in neutral.

IGNITION TIMING

2002 Nissan/Datsun Truck Frontier Pickup 2WD 3.3L SFI SC 6cyl

The Ignition Timing

8-12 DegreesBefore top dead center - throttle position sensorharness disconnected.When adjusting idle speed, set parking brake & chockdrive wheels, curb idle speed (700-800 RPM)transmission in neutral.

Jun 05, 2015 | Nissan Hardbody Cars & Trucks

1 Answer

2006 aveo throttle body issues


What engine does it have ? Could have come with 5 different ones . If it has the 1.6 L engine . has electronic throttle control.
The throttle actuator control (TAC) system is used to improve emissions, fuel economy, and driveability. The TAC system eliminates the mechanical link between the accelerator pedal and the throttle plate. The TAC system eliminates the need for a cruise control module and idle air control motor. The following is a list of TAC system components:
• The accelerator pedal assembly includes the following components:
- The accelerator pedal
- The accelerator pedal position (APP) sensor 1
- The APP sensor 2
• The throttle body assembly includes the following components:
- The throttle position (TP) sensor 1
- The TP sensor 2
- The throttle actuator motor
- The throttle plate
• The engine control module (ECM

Check engine light lit ?

Aug 26, 2017 | 2006 Chevrolet Aveo

1 Answer

2005 gran am Pontiac 3.4 v6 the car is idling on 5000 rpm I replaced the throttle housing gasket and throttle positioning sensor still nothing idling at 5000rpm still does anybody have and suggestions...


500 RPM or 5000? Reason I ask is the rev limiter shouldn't let it rev over 3500 in park or neutral? If idling at 500 then get an external tachometer and connect it to determine that your gauge isn't faulty! if at 5000 RPM it could be a stuck tps or possibly debris in the throttle body or a vacuum leak causing the idle to increase? Is it idling high or low compared to before it became faulty?

Jun 04, 2014 | Cars & Trucks

2 Answers

Motor surges at 3000 RPM


Hi,
Mass airflow sensor, idle air control valve, throttle position sensor could be @ fault. Is the Check Engine Light on?

Td

Mar 14, 2014 | 2001 Ford Ranger Regular Cab

1 Answer

2002 Mercury Cougar Squeal


Just for testing, a few seconds, will the vehicle start and run w/o the belt? Have a helper work the throttle, is the sound gone? If problem not the belt, check the belt driven accessory. Sometimes you can use a long metal rod of some kind, with belt on, one end of the rod touches accessory housing, the other end goes on that bone behind your ear, helps to magnify the sound. I guess you could use a mechanics stethoscope to do the same thing. Have helper work the throttle while you listen to each. Don't get tool or anything caught in belt. This is a serpentine belt, I haven't looked?
Maybe an accessory trying to freeze up or bad bearing? I can't think of anything else at the moment?

Mar 11, 2017 | 2002 Mercury Cougar

1 Answer

Tach surges in 2003 dodge dakoda


4.7? I've had a few of these trucks do this with bad Throttle Position Sensors.

Aug 22, 2009 | 2003 Dodge Dakota Club Cab

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