Question about 1999 Peugeot 406

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Manifold absolute pressure switch

Computer shows exactly what I've written above. There are seven switches. How to know which one is broken one?

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The MAP switch is located on the underside of the inlet manifold on the front. Remove the inlet elbow and you would see it. Mostly it is made by Bosch and is fitted with one small bolt. Buy a Haynes Workshop Manual of 406 (PN 3982) in the long run.

Posted on Apr 16, 2014

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What is fault code P0069 in car thanks


Trouble Code:
System:
Subsystem:
P0069 - (ASE)
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DTC Description: Manifold Absolute Pressure (MAP) Barometric Pressure (BARO) Correlation

P0069 Description Manifold Absolute Pressure (MAP)/Barometric Pressure (BARO) Correlation is the generic definition for the P0069; however your vehicle's manufacturer may have a different definition and information for the P0069 code.


Read more: http://www.engine-codes.com/p0069.html#ixzz47thnToR7
P0069 Manifold Absolute Pressure Barometric Pressure Correlation

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Where is the vacuum sensor on a buick centry 2000


Vacuum sensor ? don't you mean MAP - manifold absolute pressure sensor ?
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What is107 map/baro circuit low input code


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Getting trouble code 106. What is solution for correcting this problem. Thank you. 2005 crossfire.


Chrysler codes,. only.

p0106,

on newer Chysler, cars they have many codes with 106, leaving out the prefix is bad idea.

Like U0102

or C0106?

P0106 is MAP performance failure. (that dont mean replace it)

the puter has no IDEA what is wrong, only that tests failed.

here are the conditions.

When Monitored and Set Condition



  • When Monitored: Engine running for at least 30 seconds and no fault in the throttle valve actuator.


  • Set Condition: Low limit: The Manifold Absolute Pressure (MAP) Sensor reading is below a calculated value when the throttle valve angle is greater than 80F for approximately 5 seconds. High limit: The MAP Sensor reading is greater than a calculated value that is determined by engine speed and throttle valve angle for approximately 5 seconds.




now in gringo or bar stool.

1: the puter brain saw you go near wide open throttle and the

map sensor (vacuum sensor) do not show new zero vacuum.

even a clogged air filter could do this, causing a false high vacuum







POSSIBLE CAUSES




MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL CIRCUIT OPEN




MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL CIRCUIT SHORT TO GROUND




MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE




5-VOLT SUPPLY CIRCUIT OPEN




5-VOLT SUPPLY CIRCUIT SHORT TO GROUND




5-VOLT SUPPLY CIRCUIT SHORT TO VOLTAGE




5-VOLT SUPPLY CIRCUIT SHORT TO SENSOR GROUND CIRCUIT




MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL CIRCUIT SHORT TO SENSOR GROUND CIRCUIT




MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL CIRCUIT SHORT TO 5-VOLT SUPPLY CIRCUIT




SENSOR GROUND CIRCUIT OPEN




ENGINE OIL SENSOR




MANIFOLD ABSOLUTE PRESSURE SENSOR




POWERTRAIN CONTROL MODULE






then the FSM goes to step by step tests. to find above reasons.

omitted. (too long )



the word low is ambiguous in all FSM.

it can mean, low plenum pressure,

or low vacuum (opposite)

and low voltage, its a pain in the xxx to find this fact out.

the map outputs high voltage for low vacuum (same as high absolute pressure)



the fsm tests are inane.

we check the voltage out of the map

at keyon

running

and wide open throttle for 1 second. just gun it and watch.

here is what it does.

left side is wide open throttle, idle is 20 inchs. key on is, WOT.

so, what is that

4.5v is keyon

start engine, get about 1.5v

the gun engine, then drop throttel to zero throttle fast

the causes,. huge vacuum about 24 inches, or 1v or less

this is a working MAP. if those tests pass.

the test (OBD2 monitor) fails for about not getting near 4vdc from MAP output pin, DOES THIS HELP?





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1 Answer

Can you tell me the location of code reader 1991 capri ?


1991 is pre-OBD2. code readers will not work.
sorry.
however, all is not lost. Many cars have an alternate way of reading codes from the computer.
Toyota has a block under the hood and you short couple wires together and count engine light flashes
Chrysler you can turn the ignition key on and off a few times and count engine light flashes
in your case for GMs from 1982 to 1995
1: find the 12 pin connector under the dash and short the upper two rightmost terminals.
with the ignition "ON" and engine not running. The system will enter the diagnostic mode. In this mode, the computer will display a Code 12, three consecutive times, by flashing the "CHECK ENGINE", "SERVICE ENGINE SOON" or "MALFUNCTION INDICATOR LAMP" or light. A Code 12 consists of one flash, a short pause, then two flashes in rapid succession.
2:. After Code 12 is displayed, any stored trouble codes will be displayed by flashing the "CHECK ENGINE", "SERVICE ENGINE SOON" or "MALFUNCTION INDICATOR LAMP" light. All codes are displayed 3 times each then a code 12 will repeat. In the diagnostic mode, the computer will also energize all computer controlled relays and solenoids.

Tech -- GM 2 Digit codes for 82 and up (non OBD-II)
code - code definition
12- diagnostic mode
13- 02 sensor or circuit
14- coolant sensor or circuit/ high temp indicated
15- coolant sensor or circuit/ low temp indicated
16- system voltage out of range
19- crankshaft position sensor or circuit
21- throttle position sensor or circuit- voltage high
22- throttle position sensor or circuit- voltage low
23- mixture control (m/c) solenoid or circuit (carbureted models)
23- manifold air temperature (mat) sensor or circuit (1990 and earlier models)
23- intake air temperature (iat) sensor circuit (fuel-injected models)
24- vehicle speed sensor (vss) or circuit
25- manifold air temperature (mat) sensor or circuit - high temperature indicated (1990 and earlier models)
25- intake air temperature (iat) sensor or circuit - high temperature indicated (1991 and later models)
26- quad driver module circuit
27- quad driver module circuit
28- quad driver module circuit
29- quad driver module circuit
31- park/neutral position (pnp) switch circuit
32- baro sensor or circuit (carbureted models)
32- egr circuit (fuel-injected models)
33- manifold absolute pressure (map sensor signal voltage high
33- mass air flow (maf) sensor or circuit - excessive airflow indicated
34- manifold absolute pressure (map) sensor signal voltage low 34- mass air flow (maf) sensor signal - low airflow indicated
35- idle speed control (isc) switch or circuit (shorted) (carbureted models)
35- idle air control (iac) valve/ circuit
38- brake switch circuit
39- torque converter clutch (tcc) circuit
41- no distributor signals to ecm, or faulty ignition module ( carbed models)
41- cylinders select error- mem-cal or ecm problem ( fuel-injected models
41- cam sensor circuit (3.8 engine)
42- bypass or electronic spark timing (est) circuit
43- low voltage at ecm terminal l (carbureted models)
43- knock sensor circuit
44- oxygen sensor or circuit - lean exhaust detected
45- oxygen sensor or circuit - rich exhaust detected
46- power steering pressure switch circuit
48- misfire diagnosis
51- prom, mem-cal or ecm problem
52- calpak or ecm problem
53- egr fault (carbureted models only)
53- system over-voltage (ecm over 17.7 volts)
54- mixture control (m/c) solenoid or circuit (carbureted models)
54- fuel pump circuit (1986 and later models)
55- oxygen sensor circuit or ecm
55- fuel lean monitor (2.2l engine)
61- oxygen sensor signal faulty (possible contaminated sensor)
62- transaxle gear switch signal circuits
63- manifold absolute pressure (map) sensor voltage high (low vacuum detected)
64- manifold absolute pressure (map) sensor voltage low (high vacuum detected)
66- pressure sensor or circuit air conditioning

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1 Answer

P0106


A P0106 could be caused by:
Bad MAP sensor
Water/dirt intrusion affecting MAP sensor connector
Intermittent open in the reference, ground, or signal wire for the MAP sensor
Intermittent short in the reference, ground, or signal wire for the MAP sensor
Ground problem due to corrosion causing intermittent signal problem
A break in the flexible air intake duct between the MAF and the intake manifold
Bad PCM (do not assume the PCM is bad until you've exhausted all other possibilities)

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We do not have this make so I can only provide a general description of the codes meaning and poss causes.
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