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Dtc code of p0105 , cant keep a low rpm . what can be done mike

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P0105=Manifold Absolute Pressure/Barometric Pressure Circuit,
you seem to have a faulty MAP sensor

Posted on Jan 23, 2010

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Posted on Jan 02, 2017

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I have a 2005 gmc envoy xl 2ith inline 6 motoer. It keeps telling me p0105 mass absolute pressure sensor is bad but i got a new one and that did not fix problem. Could it be the pigtail wires? They look...


What did you use to read this code with ? No P0105 code for this vehicle .
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DTC P0106
The manifold absolute pressure (MAP) sensor responds to pressure changes in the intake manifold. The pressure changes occur based on the engine load. The MAP sensor has the following circuits:
• A 5-volt reference circuit
• A low reference circuit
• A MAP sensor signal circuit

The powertrain control module (PCM) supplies 5 volts to the MAP sensor on the 5-volt reference circuit. The PCM also provides a ground on the low reference circuit. The MAP sensor provides a signal to the PCM on the MAP sensor signal circuit which is relative to the pressure changes in the manifold. The PCM should detect a low signal voltage at a low MAP, such as during an idle or a deceleration. The PCM should detect a high signal voltage at a high MAP, such as the ignition is ON, with the engine OFF, or at a wide-open throttle (WOT). The MAP sensor is also used in order to determine the barometric pressure (BARO). This occurs when the ignition switch is turned ON, with the engine OFF. The BARO reading may also be updated whenever the engine is operated at WOT. The PCM monitors the MAP sensor signal for voltage outside of the normal range.
The PCM calculates a predicted value for the MAP sensor based on throttle position (TP) and engine speed. The PCM then compares the predicted value to the actual MAP sensor signal. If the PCM detects that the MAP sensor signal is not within the predicted range, DTC P0106 sets.

Inspect for the following conditions:
• Disconnected, damaged, or incorrectly routed vacuum hoses
• Missing or damaged manifold absolute pressure (MAP) sensor seal
• Restrictions in the MAP sensor vacuum source
• Intake manifold vacuum leaks
Did you find and correct the condition?

This code does not tell U the MAP sensor is bad , do yourself a favor an take it to a qualified repair shop.

May 20, 2018 | GMC Cars & Trucks

1 Answer

What is causing recurrent DTC P0102?


code p 0102 refers to mass air flow (MAF) sensor/volume air flow(VAF) sensor--low input===causes ---wiring short to ground--MAF/VAF sensor---ecm
check the wiring to the unit--plug connection

Mar 31, 2016 | 1996 Volvo 850

1 Answer

How to adjust a low idle


good, smart not to do that. hot or cold?, or both idle rpm?
and what is it now. cold and hot.>????? RPM ?????
it's really not adjustable.!
that is the JOB 100% of the PCM
it reads the RPM DIRECT FROM CKP sensor and software (ecu firmware)
runs a servo system, that controls the ISC (electric air)
the ecu works hard to keep rpm right under all conditions.
so if RPM is too low (unstated) then its lost control.!
this can happen vast ways.
  • engine gross misfiring, (tune jump time, skipped at 60k miles?)
  • ISC stuck closed
  • ECU/PCM stuck in limphome mode, did you scan it with any scan tool and look for DTC ERRORS YET?
  • FLOODING. causing misfire
  • LEAN FUELing, fuel pressure low, ?
  • low engine compression on 1 or more cylinder (a tool)
  • bad spark.? weak or damaged spark parts or never done a tuneup.
  • lots more ask, and all take tools, got tools? or just want wild guessing?:

Dec 23, 2014 | 2006 Toyota Prius

3 Answers

DTC Code P0107


P0107 -- CONTINUOUS
Continuous diagnostic trouble code P0107 indicated barometric pressure out of range low was detected during normal operation.

Possible cause
- faulty internal BARO sensor (PCM)

Perform KOEO On-Demand Self Test.
Is P0107 present?
Yes, REPLACE PCM. CLEAR DTC and RETEST.
No, P0107 is intermittent fault. CLEAR DTC. If DTC reappears, REPLACE PCM.

If you keep getting it, a new PCM is the only fix.

I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514

Sep 21, 2011 | 2001 Ford F350 Super Duty SuperCab

1 Answer

P1740 code on 2001 ram 1500 tcc-overdrive solenoid . how to test & replace


there is a total of 27 diagnostic steps to follow, but here is some info for you:
SYMPTOM
P1740-TCC O/D SOL PERFORMANCE

WHEN MONITORED
The Torque Convertor Clutch (TCC) and Overdrive Clutch (O/D) will be tested each time the PCM requests TCC engagement in 3rd gear and O/D.

SET CONDITION
The code will set if the expected RPM drop is not achieved while attempting to engage TCC or O/D. This indicates a malfunctioning torque convertor or overdrive clutch.

POSSIBLE CAUSES
- Camshaft DTC present
- Engine RPM DTC present
- Fuel level low
- Misfire DTC present
- Output speed DTC present
- P1765 DTC present
- Park/Neutral DTC present
- PTO engaged (if equipped)
- Torque converter clutch DTC present
- TPS DTC present
- Transfer case in low range (if equipped)
- Transmission Relay DTC present
- Transmission temperature too cold
- Intermittent
- Check transmission fluid-debris
- Check transmission fluid-stall
- 3-4 Shift Solenoid
- Oil Pan contains excessive debris
- Shaft or seal damage
- TCC solenoid
- Torque converter
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Jun 03, 2011 | Dodge Ram 1500 Cars & Trucks

1 Answer

Hello , I have a 2003 trailblazer with the 4.2 engine. I have a p105b map sensor reg. value code. I have 7-8 g/s vacuum 1.0 volts at idle I can see this value on a scan tool . The car seems to run ok just...


p105b ???? What scan tool did you use to pull this code ?DTC P0105 is the correct DTC. Where do you people learn this stuff .I have 7-8 g/s vacuum??? What the heck is this ?? The only thing you'd see Grams a second on would be a mass air flow sensor , not the map sensor . Vacuum to the map sensor would be manifold vacuum . 18 - 22 at idle. MAP Sensor Eng 1, 2, 3
Volts
0.94-2.0 volts Varies with altitude
Dirty throttle bore ,plate ,EGR valve sticking open a little .
The PCM calculates a predicted value for the MAP sensor based on throttle position (TP) and engine speed. The PCM then compares the predicted value to the actual MAP sensor signal. If the PCM detects that the MAP sensor signal is not within the predicted range, DTC P0105 sets.

034 Engine Misfire Vacuum Leak Test

Nov 06, 2017 | 2003 Chevrolet TrailBlazer

3 Answers

Check Engine light came on, had it diagkimbelaustin@gmainosed, code P0105 What problems are under this code?


A P0105 DTC could be caused by the hose to the sensor being disconnected or leaking, the sensor itself is bad, or a wiring problem at the harness. The Throttle Position Sensor (TPS) should be checked as well as sometimes a problem here causes MAP sensor problems (bad ground, wiring). In extreme cases, the PCM is the problem (Power control Module).

Jan 03, 2011 | 2003 Toyota Matrix

1 Answer

I have a 2000 dodge durango with a trouble code p1740 what does it mean


SYMPTOM
P1740-TCC O/D SOL PERFORMANCE

WHEN MONITORED
The Torque Convertor Clutch (TCC) and Overdrive Clutch (O/D) will be tested each time the PCM requests TCC engagement in 3rd gear and O/D.

SET CONDITION
The code will set if the expected RPM drop is not achieved while attempting to engage TCC or O/D. This indicates a malfunctioning torque convertor or overdrive clutch.

POSSIBLE CAUSES


Camshaft DTC Present
Engine RPM DTC present
Fuel level low
Misfire DTC present
Output speed DTC present
P1765 DTC present
Park/neutral DTC present
PTO engaged (if equipped)
Torque converter clutch DTC present
TPS DTC present
Transfer case in low range (if equipped)
Transmission relay DTC present
Transmission temperature too cold
Intermittent
Check transmission fluid-debris
Check transmission fluid-stall
3-4 shift solenoid
Oil pan contains excessive debris
Shaft or seal damage
TCC solenoid
Torque converter

Aug 15, 2010 | Dodge Durango Cars & Trucks

1 Answer

Loss of power, stalling at stops and slows, codes P0300, P0107, P0105 and P0105. Will stall but when put into nuetral will start right up.


The symptoms and the codes you've given would indicate to me that you have a vacuum leak. Look for a loose a throttle body, loose, missing or damaged hoses, loose or missing intake manifold bolts or any other opening in the intake manifold.
P0105 - Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction
P0107 - Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
P0300 - Random/Multiple Cylinder Misfire Detected

Jun 17, 2010 | 2001 Pontiac Grand Am SE

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