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2007 Suzuki 150 hsp 4 stroke outboard. Temp light comes on yet telltale is working perfect with exit water not hot al all. Engine runs perfect , just temp light is on. Temp sensor unplugged does not affect temp light. So wonder why light is on. Ran perfect last week.

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Anonymous

  • 702 Answers

SOURCE: Cooling fan wont work

The water temp sensor is located near the thermostat housing. This sensor is what tells the ECM to turn the fan on/off. The water temp sending unit is located near the same area. You know you have the correct sensor is because the water temp sensor has a 2 prong plug. The water temp sending unit only has 1 prong.

Posted on Sep 27, 2008

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michigan man

edgar walker

  • 3533 Answers

SOURCE: 98 ford f-150 temp gauge and light problems

the intake air temperature sensor is located inside the air intake duct which is where the air filter is located pull the rubber tubing off the throttle body and look inside with a light and you will see it

Posted on Jan 09, 2009

Wolfman304

Scott Bailey

  • 720 Answers

SOURCE: 1990 honda accord temp gauge above hot limit.

Hi there,

Firstly - DO NOT run engine, when guage reads hot, as this will cause costly damage to head gasket & alloy engine head.

The fact that guage takes 1min to read HOT, would confirm the guage IS working properly.

So, other components which are likely to cause hot readings (in this order) are:

- lack of coolant (or leakage somewhere): is there sufficient green coolant at the correct level? Top up mixture to correct level. Repair any leaks.

- collapsed radiator hose: when engine is cold, start engine, then quickly watch both upper & lower radiator hoses to see if either begins to flex inwards (collapse). Replace if either hose is collapsed.

- bad/incorrect thermostat rating : when replacing thermostats, you must ensure it is of the SAME temp rating (they all differ).

- Incorrect Temp sensor rating: the ratings of this sensor must be within manufacturer's spec's.

- bad waterpump: the engine relies on the waterpump to distribute the coolant throughout the entire system. If waterpump is faulty, coolant will not flow quick enough, causing overheating.

If you still believe all of the above components are OK, then have your cooling system "pressure tested". This test should be done, before looking further at other electrical components.

Cheers,

"if this has helped you in any way, please rate this solution"

Posted on Jan 27, 2010

Anonymous

  • 13 Answers

SOURCE: 2002 malibu runs hot.

Sounds like you have a faulty head gasket or maybe a cracked head.This can cause overheating and the check engine light to come on.The code for the o2 sensor is probably caused by coolant getting into the exhaust system and coating the sensor.The coolant fan may work but it cannot remove enough heat from the rad to make the engine cool off.Try some engine coolant stop leak to see if it will help.This maybe only a temperary fix.Let me know if you need more.MOE

Posted on Jun 22, 2010

HaeRAy

HaeRAy

  • 13 Answers

SOURCE: fans not coming on overheating changed water pump,

FROM PERSONAL EXPERIENCE:
1996 CAMARO Z28 5.7L ENGINE TROUBLES

  • Performance Symptoms:
    Overheats- Runs Rough- Runs Very Rough- Induction Backfires- Stalls Out-
  • Operational Symptoms:
    Won't start- Check Engine Light Turns On-
  • Diagnostic Error Codes:
    Various Cylinder Misfires- Overheat Condition- Oxygen Sensor Failure (Totally legit but, not related to other issues.) and a few others I forgot about.

    Overtime; I ended up replacing everything I thought could have been even remotely related to the problems, including the Engine Control Modual/computer. SOS!
The symptoms continue in an intermittent fashion. Sometimes it was happy for months with only a nerve racking sputter or two while at idle or even cruising at 70 mph. Then suddenly it just stops running. Crank, crank, crank but, not a plug fired or was it that not an injector injected. In any case the thing lay dead for half an hour before it just came to life again. It was fine for weeks after that.

Three things I came to notice about this whole miserable affair were:

  1. It all started “the day after” I did some maintenance under the hood. The work included replacing “one of the two” temperature sensors on the motor ( 'cause it had a broken connector latch..) while I changed out a leaking water pump (...which would drip on the serpentine belt and stall the power steering pump, YIKES!) and an R & R of the radiator to repair a small hole in the right side plastic tank.
  2. It would get normal and proper (as far as I could tell...) if I floored it!!! I discovered it would even start up, when it otherwise wouldn't, if I just held the throttle fully open..
  3. My scanner would report an Overheat Condition “well before” it was indicated on the temperature gauge.
  4. Some of the symptoms were most likely going to show up on cool and humid or moggy rainy days.

OK... Cutting to the chase now--- The problem turned out to be a poor and erratic connection between the Engine Coolant Temperature sensor (The one mounted in the front of the water pump...) and its connecter. A serious cleaning and "tightening" of the contacts inside that connecter was “The Fix!!!!”

Me Z' has been up & running like a bat outta' hell for over 3 years since I cleaned up and tightened those connector puppies... I mean it hasn't missed a single beat!

I think the poor and electrically chattering on and off of the connection was doing an input signaling number on the poor computer such that it didn't know how to respond. Under those conditions, whatever it did decide to do in response like, turn off the cooling fans, turn off fuel injection, go full rich injection, adjust ignition timing, were “Just Wrong!”

That's my story and I'm stickin' to it! I hope this helps you and some others who have been experiencing this sort of thing.
RAy

Posted on Jul 12, 2010

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1 Answer

My 2007 Suzuki forename with 56,000ml. Ac running hot and engine running hot. What to do?


forename?
07 forenza (seems all posts are for this 1 suzuki)
a problematic car for sure....?
in what country, car has 6 engines, but 1 in USA>
so cant help you lacking where you are, (name a country,not your IPaddress)
we have the 2.0L engine, in USA< this is a USA forum so......??

ok the computers in your car are way smarter than say 1988 Samurai.
the PCM that runs the engine, for SURE cuts AC to keep engine from self destructing!! AC can do that,,,,,,
want a cracked or warped engine head ?
no.
the PCM cuts the a/c, and if engine is overloaded. or overheated
so forget the A/C
fix engine overheating (primary issues)
and guess wha?t , that gets worse, so delaying the fix
a $5 part compounds to $3000 new engine.
why not just get car fixed.???
"we cant teach you 50 years of engine problems in 5min time."
best post ever that.. here.

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2: water leaks?
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I rather actual temperature gauges over lights, since you know if you're truly running hot or not.
In your case, I would recommend that when this happens, have someone use a thermal indicator (maybe autozone can do this) to see what your engine temp is and see if it's running hot. The light is tripped by a sensor that is activated by excessive heat from the engine.
If the engine temp is normal, replace the sensor. If it's hot:
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2. Make sure the coolant level is good
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4. Consider replacing the thermostat.
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