Question about 1995 Mercury Villager

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No power to tps - 1995 Mercury Villager

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TPS only has 5 volts reference voltage from PCM

http://groups.yahoo.com/group/villagerquest/

Posted on Feb 07, 2011

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3 Answers

Car keeps stalling when I press on the gas. but no codes


Sounds like it's leaning out.
I'd start by checking for vacuum leak (hoses and connections).

Jul 15, 2015 | 2005 Suzuki Forenza

1 Answer

Susuki esteem TPS


old post.
they used 2 engines, one is 1.6L and 1.8L other.
so my guess, is , that
car starts ok. hot or cold engine.
and
car has no power at WOT, (it wont be the TPS)
Is the check engine light on, key on, and does it stay off running?
if not the ECU/PCM (enginebrain) wants to tell you what is wrong
why not ask it.?
ok there are 3 forms of power loss (engine power)
1: WOT, wide open throttle (on most cars that is the MAF sensor)
2: cruising say,at 45mph that too is MAF + oxy sensor.
3: accelerating only, the TPS does cause Enriich mode.
if not , then the TPS is dead.

Jan 23, 2013 | 2000 Suzuki Esteem

1 Answer

Codes are reading low tps voltage, mapps high voltage ignition on low voltage at idle. Idle surges sputers and stalls when driving. Replaceed mapp and tps with no improvment?


Have you consider to check the battery power. I believe the main problem you have is either the battery or the alternator. Due to these two things with low voltage the brain ( ECU ) does not have the enough power to work. Good Luck.

Aug 15, 2012 | 1992 Chevrolet S-10 Blazer

1 Answer

Car chugging when stopped. I have replaced tps but doesn't fix. Stops chugging when tps is removed.


The TPS is used by the vehicles ECM for power enrichment,and idle stability when you remoce the sensor connector the ECM uses a substitute value so you can drive the vehicle. So the TPS is not the problem here You are basically suffering from a vehicle lean condition or false air. Removing the TPS connection only enrichen the car.Trouble shoot the MAF (mass air flow ) this is the one that houses the air filter check the boot going to the intake manifold make sure its not cracked or leaking air giving false air.2_24_2012_5_22_13_am.gif

Feb 24, 2012 | 2000 Toyota Camry

1 Answer

P0120 P0220 faults on a 03 Avalanche. First went into reduced power mode. Cleared faults. Truck still will not go over 35 mph. Did not trip the check engine light.


this is an obd2 trouble code table, it can help you understand the meaning of code.
for p0120,
the possible solutions:
If you have access to a scan tool, with KOEO (Key on engine off) observe the TPS voltage. With throttle closed, voltage should be about .45 volts. It should gradually sweep upwards to approximately 4.5 to 5 volts as you depress the throttle. Sometimes only a scope can capture an intermittent glitch in the TPS signal voltage. If you notice a glitch in the TPS sweep voltage, replace the TPS.
NOTE: Some TPS sensors require fine adjustment. If you aren't comfortable with using a DVOM (Digital Volt Ohm meter) to adjust the new TPS, then it's best to take the vehicle to a shop. If the voltage is not .45 volts (+or- .3 volts or so) with the throttle closed or if the reading is "stuck" then unplug the TPS connector. With KOEO check for 5 volts reference voltage present at the connector and a good ground. You can check the signal circuit for continuity by jumping a fused wire between the ground circuit of the TPS connector and the signal circuit. If the TPS reading on the scan tool now reads zero, then replace the TPS. However if that doesn't change the reading to zero, then check for an open or a short on the signal wire and if none is found, suspect a bad PCM. If manipulating the TPS wiring harness causes any change in idle, then suspect bad TPS.

Jul 20, 2011 | Chevrolet Avalanche Cars & Trucks

1 Answer

96 nissan quest code p0120 p1705 the O/D flushes after startup. TPS was replaced but code still exists. Rough idle, loss of power and fuel economy.


this is an obd2 trouble code table, it can help you understand the meaning of code.
and for p0120
the Causes:
Sticking throttle return spring
MAP or TPS connector corrosion
Misrouted harness causing chafing
Bad TPS
Bad PCM
Possible Solutions:
If you have access to a scan tool, with KOEO (Key on engine off) observe the TPS voltage. With throttle closed, voltage should be about .45 volts. It should gradually sweep upwards to approximately 4.5 to 5 volts as you depress the throttle. Sometimes only a scope can capture an intermittent glitch in the TPS signal voltage. If you notice a glitch in the TPS sweep voltage, replace the TPS.
NOTE: Some TPS sensors require fine adjustment. If you aren't comfortable with using a DVOM (Digital Volt Ohm meter) to adjust the new TPS, then it's best to take the vehicle to a shop. If the voltage is not .45 volts (+or- .3 volts or so) with the throttle closed or if the reading is "stuck" then unplug the TPS connector. With KOEO check for 5 volts reference voltage present at the connector and a good ground. You can check the signal circuit for continuity by jumping a fused wire between the ground circuit of the TPS connector and the signal circuit. If the TPS reading on the scan tool now reads zero, then replace the TPS. However if that doesn't change the reading to zero, then check for an open or a short on the signal wire and if none is found, suspect a bad PCM. If manipulating the TPS wiring harness causes any change in idle, then suspect bad TPS.

Jul 11, 2011 | Nissan Quest Cars & Trucks

2 Answers

Code p0122 and p0123 after changing computer


Hi.

The problem is regarding TPS (throttle position sensor located in throttle body). Both codes are TPS voltage out of range (low and high) If you get both codes at once, then :

TPS may be defective,
wiring to TPS may be shorted to ground.
There may be a problem in the +5V circuit powering the TPS.
There may be a problem with ECU connector.

Jan 20, 2011 | 1996 Dodge Caravan

1 Answer

LOSING POWER AT IDLE.


In such a situation the TPS Sensor must have gone bad.

Have a check first, run a scan and if the code says error 7 for OBD 1 and P0120 or P0121, then it is the TPS Sensor.

Cheers and dont forget to rate this.

Apr 25, 2009 | Toyota Camry Cars & Trucks

5 Answers

2003 GMC throttle position sensor


I had the same problem with my 2003 denali and came to find out that it was the battery causing the problem. the battery with sufficient power will dictate the tps. if the battery is low or bad, it won't have enough juice to allow the tps to. work. get your battery checked.

Dec 09, 2008 | 2003 GMC Yukon

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