Question about 2004 Mercedes-Benz C-Class

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My 1995 c220 benz air mass sensor, throttle valve

My 1995 c220 bens air mass sensor, throttle valve actuator is causing the car to stall and it will not idle unless i increase the throttle adjustment.

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Hello,try to clean your throttle valve actuator,sometimes the flap get sticky because of fumes of fuel,ty

Posted on Apr 16, 2009

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P1512 of my 00 MPV, what is the solution?


DTC P1512 - VARIABLE TUMBLE CONTROL SYSTEM (VTCS), STUCK CLOSED
The air intake hose that goes from the air filter/mass airflow sensor to the throttle body they are common to crack. This air leak can cause a lean condition if that checks out ok then the issue is usually a faulty mass air flow sensor .This would need to be checked next.

Usually the actuator valve is stuck closed. These are the most common causes of the P1512 and possible causes are:
* ECT sensor malfunction.
* MAF sensor malfunction.
* IAT sensor malfunction.
* EGR boost sensor malfunction
* TP sensor malfunction.
* CKP sensor malfunction
* VTCS solenoid valve malfunction.
* VTCS shutter valve stuck closed.
* VTCS shutter valve actuator stuck closed.
* Short circuit between PCM and VCTS solenoid valve.
* PCM malfunction.

I would start with the mass air flow sensor this can cause all these issues. Then the cat. This would be the next step.

I hope this helped (remember to rate and comment this answer).

Aug 15, 2011 | 2001 Mazda MPV

1 Answer

C220-manual transmission. erratic idling and sometimes idles up and down. Has been serviced and throttle body cleaned but still does this. Happens more often when the engine is warm.


according to your information it's faulty mass air flow sensor, check mass air flow sensor first, when the Idle rough just disconnect the air flow sensor wiring socket if it's better than when it's connected it's faulty air flow sensor, mass air flow sensor have fitted between air cleaner housing and throttle body, you can see wiring connector been connect on it you have to turn it anticlockwise and remove it. when you fix it back do the reverse order, if it's faulty replace air flow sensor. is this information helped you?

Oct 31, 2010 | 1994 Mercedes-Benz C-Class

1 Answer

My 1995 mercedes S500 idles rough, and no power. Smells terrible of fuel. Sputters on acceleration. Check engine light came on . Acts as if to stall but keeps sputtering. Literally shakes the car.


I had a similar problem with my 1994 S420.
Before taking it to the shop check the following:
Distributor covers, Rotors and Spark Plugs. That's what my car needed. Before I did it two "specialized" MB mechanics wanted to replace the engine wiring harness ($1,000.00) and the other wanted to replace Air mass sensor, throttle valve actuator ($2,000.00) I hope that's all you need.

Dec 11, 2009 | 1995 Mercedes-Benz S-Class

1 Answer

I have a 1995 c220 that after it warms up it will not idle. cold idle at 1000rpms and then drops to 500 or lower...I changed mass air flow sensor


check engine coolant temp sensor(cold should read 3200ohms) also check posible fuel presure regulator (very common leaks fuel into vacuum hose.

Dec 07, 2009 | 1994 Mercedes-Benz C-Class

3 Answers

1994 C220 mercedes stalling problems


check your main harness wire. The harness wire becomes brittle and will eventually short circuit your car. Stalling and hard starting is the initial symptom. If not replaced soon, your car will smoke and eventually affect your computer box

Jun 25, 2009 | 1994 Mercedes-Benz C-Class

2 Answers

My air mass sensor, throttle valve actuator problem.


yoy need to change both the Air Mass Sensor and throttle valve actuator to eliminate this problem. The actuator is pretty pricey but thats the ONLY solution i'm afaraid.

Apr 15, 2009 | 2004 Mercedes-Benz C-Class

2 Answers

Were is the IAT in a 2004 nissan altima


Removal and Installation To Remove:
  1. Remove or disconnect the following:
    • Mass air flow sensor electrical connector
    • Tube clamp at the electronic throttle control actuator
    • Air cleaner to electronic throttle control actuator tube, upper air cleaner case
    • Mass air flow sensor from the cleaner case.
To Install:
  1. Install or connect the following:
    • Mass air flow sensor to the cleaner case
    • Air cleaner to electronic throttle control actuator tube
    • Tube clamp at the electronic throttle control actuator
    • Mass air flow sensor electrical connector
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Mar 28, 2009 | 2004 Nissan Altima

2 Answers

Still have starting problem with Mercedes C220 (1994)


changed different sensorscrank and different air sensors mechanic had it numerous times it works 4 a while and then stalls while driving and won't start fed up 94 c220

Oct 20, 2008 | 1994 Mercedes-Benz C-Class

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