Question about 1993 Mercedes-Benz 190

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Cold start new plugs,leads.rotar arm,oil change,filters engine flush,thermostat,and fan sensor on my 1993 18 190e man. starting cold like auto choke ant  working

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Cold start valve malfunctioning
crank position sensor bad

Posted on Jan 12, 2009

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My vauxhall zafira 2.0 tdi will not start when cold,have changed battery and glow plugs but still same problem. have been told to disconnect coolant temperature sensor but do not know where to locate?


My Vauxhall (Opel) Zafira 2004 1.8 liter 16V Petrol Auto
had COLD START problem; cold engine does not start no
matter what! I have changed the following parts, one after
another:
1. New Coil pack
2. New Spark plugs
3. New Battery
4. New Mass Air flow oxygen meter
5. Air filter
6. Oil filter
7. Engine oil
8. Fuel filter
9. Premium Petrol
10. Engine coolent water sensor
Still the same problem. Then changed 'Crank sensor'. And
now the car starts fine without any issue!!
Faizur Rahman <captfaiz@yahoo.com>

Nov 11, 2012 | Cars & Trucks

1 Answer

2006 tahoe running between 195 to 215 degrees on highway,new thermostat and fan sensor


What is the problem?

215 isn't abnormal in hot weather &
with the A/C on or going up hills !

Blow out & hose out the condenser &
radiator

Thermostat correct,same writing on it as
original

New coolant,clean engine oil, like Mobil 1
full syn,flush power steering & add lubgard,
change transfer & rear diff lubes

Spark Spark Plugs every 3 years

Change front O2 Sensors at 100,000 miles

A/C not overcharged ?

Clean Air Filter?

Use CRC on MAF Sensor

Jun 25, 2011 | 2006 Chevrolet Tahoe

1 Answer

Seems to blow cold air at times when the engine has been running long enough to be hot and lately its been slow to start and sometimes chokes out immediately after starting


Re: blowing cold - I'd flush cooling system and replace thermostat. Re: hard start - when was last healthy tune up? Plugs, wires, all filters including FUEL FILTER and run a good fuel cleaner through it.

Feb 21, 2011 | 1992 Acura Legend

2 Answers

2004 F350 6.0L starts rough and runs rough until warmed up. When it was newer I could start in cold weather and run smooth with full power right away. Now it has no power at all until warm and is hard to...


What tells me, is that the thermostat is staying open after
your done using the truck
When you start it up cold, it takes longer to warm up the area
near the coolant temp sensor,which is part of the system
to put the PCM (computer) into closed loop
Closed loop is when you leave a computer fuel stratagy and
the O2 Sensors take over fuel control

Hard to start----

Need spark plugs that have not been in the motor over 60,000 miles
Spray the throttle plate with CRC Throttle Cleaner
Spray the MAF Sensor with CRC MAF Cleaner
Need all ducting in place,no vacuum leaks and a clean air filter
Make sure your O2 Sensors are tight
A fuel filter not over 3 years old
Hope the coolant temp sensors works correctly

Anything more gets too technical

Dec 02, 2010 | 2004 Ford F350

2 Answers

How often should I change the Transmission fluid, normal driving ? Thank you Gary


It's listed in your owner's manual. Schedule A is normal driving conditions.
SCHEDULE "A"
7,500 miles (12 000km) or at 6 months
- Change engine oil.
- Replace engine oil filter.

15,000 miles (24 000km) or at 12 months
- Change engine oil.
- Replace engine oil filter.

22,500 miles (36 000km) or at 18 months
- Change engine oil.
- Replace engine oil filter.
- Inspect front wheel bearings.
- Inspect brake linings.

30,000 miles (48 000km) or at 24 months
- Change engine oil.
- Replace engine oil filter.
- Replace engine air cleaner filter.
- Replace spark plugs.
- Drain and refill automatic transmission fluid and filter (4.7L).

37,500 miles (60 000km) or at 30 months
- Change engine oil.
- Replace engine oil filter.
- Drain and refill automatic transmission fluid and filter (5.2L/5.9L).
- Drain and refill transfer case fluid.

45,000 miles (72 000km) or at 36 months
- Change engine oil.
- Replace engine oil filter.
- Inspect front wheel bearings.
- Inspect brake linings.
- Flush and replace engine coolant at 36 months, regardless of mileage.

52,500 miles (84 000km) or at 42 months
- Change engine oil.
- Replace engine oil filter.
- Flush and replace engine coolant if not done at 46 months.

60,000 miles (96 000km) or at 48 months
- Change engine oil.
- Replace engine oil filter.
- Replace engine air cleaner filter.
- Replace ignition cables (5.2L/5.9L).
- Inspect PCV valve, replace as necessary.
- Replace spark plugs.
- Inspect auto tension drive belt and replace as necessary (5.2L/5.9L).
- Drain and refill automatic transmission fluid (4.7L).

67,500 miles (108 000km) or at 54 months
- Change engine oil.
- Replace engine oil filter.
- Inspect front wheel bearings.
- Inspect brake linings.

75,000 miles (120 000km) or at 60 months
- Change engine oil.
- Replace engine oil filter.
- Drain and refill automatic transmission fluid and filter (5.2L/5.9L).
- Drain and refill transfer case.
- Flush and replace engine coolant if it has been 30,000miles (48 000km) or 24 months since last change.
- Inspect auto tension drive belt and replace if required.

82,500 miles (132 000km) or at 66 months
- Change engine oil.
- Replace engine oil filter.
- Flush and replace engine coolant if it has been 30,000miles (48 000km) or 24 months since last change.

90,000 miles (144 000km) or at 72 months
- Change engine oil.
- Replace engine oil filter.
- Replace engine air cleaner filter.
- Replace spark plugs.
- Inspect front wheel bearings.
- Inspect brake linings.
- Inspect auto tension drive belt and replace as necessary.
- Drain and refill automatic transmission fluid (4.7L).

97,500 miles (156 000km) or at 78 months
- Change engine oil.
- Replace engine oil filter.

105,000 miles (168 000km) or at 84 months
- Change engine oil.
- Replace engine oil filter.
- Flush and replace engine coolant if it has been 30,000 miles (48 000km) or 24 months since last change.
- Inspect auto tension drive belt and replace if required.

112,500 miles (181 000km) or at 90 months
- Change engine oil.
- Replace engine oil filter.
- Drain and refill automatic transmission fluid and filter (5.2L/5.9L).
- Inspect front wheel bearings.
- Inspect brake linings.
- Flush and replace engine coolant if it has been 30,000 miles (48 000km) or 24 months since last change.

120,000 miles (192 000km) or at 96 months
- Change engine oil.
- Replace engine oil filter.
- Replace engine air cleaner filter.
- Replace ignition cables (5.2L/5.9L).
- Inspect PCV valve, replace as necessary.
- Replace spark plugs.
- Inspect auto tension drive belt and replace as necessary.
- Drain and refill automatic transmission fluid (4.7L).

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Sep 05, 2010 | 2001 Dodge Durango

1 Answer

My volvo s70 1998 doesn't want to start at all in very cold weather. What should I do?


make sure the battery is ok check spark plugs distributor cap and rotar arm for any wear or damage if it has original plug leads replace them also make sure correct grade of oil in engine also clean throttle body

Jan 06, 2010 | 1998 Volvo S70

1 Answer

MY 96 BMW WONT START WHEN ITS COLD


SCAN IT CHECK COOLANT SENSOR IT WILL CAUSES STARTING PROBLEMS IF ITS NOT WORKING.DOING COOL ENGINE START UP COOLING SENSOR MONITOR COOLANT TEMPERATURE SENSOR.IT WILL ENRICHEN FUEL MIXTURE JUST FOR COLD STARTING ENGINE.IT WORK LIKE SAME PRINCIPAL LIKE A CHOKE ON CARBURETER ENGINE.WHEN ENGINE WARMS UP THE COOLANT SENSOR AND OXYGEN SENSOR WILL LEAN OUT FUEL SYSTEM .WHICH IS CLOSED LOOP.CHOKE ON CARBURETER WILL OPEN AUTOMATICALLY AS THE THERMOSTATIC METAL COIL WARMS UP.YOU NEED A RICH FUEL MIXTURE WHEN COLD STARTING ENGINE.NOW A CLOGGED AIR FILTER BAD PLUGS + WIRES CAUSE WEAK SPARK NO START UP.SO I WOULD HAVE A GARAGE OR SOME BODY WITH A SCANNER SCAN IT TO SEE WHAT THE PROBLEM IS.YOU WONT SPEND TOO MUCH MONEY GUESSING.

Sep 28, 2009 | 2000 Oldsmobile Alero

1 Answer

Mitsubishi colt glx on a P plate is very juddery at low revs or changing gear. I've replce plugs, leads distributor and rotar arm, can you help


Have you checked if the clutch is alright or if it's an auto maybe it needs the auto transmission fluid changed and the filter cleaned.

Sep 12, 2009 | Mitsubishi Colt Cars & Trucks

1 Answer

Same problem , car has only 86,000 miles


replace that thermostat again...flush radiator any way...then see how it runs...

Aug 28, 2009 | 1996 Cadillac DeVille

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