Passat (B5) :: Engine Code PO116 - Engine Coolant Temp CKT Range / Performance
Jan 24, 2007
I just had my 1998 Passat 1.8T with 97000 miles checked since the engine light came on. It started this afternoon and the car ran just fine. I took it to an Advance Auto and after they plugged in the OBD tool it came back with the code PO 116. Engine Coolant temp CKT Range/Performance.
The fellow decided to clear the code and then the car would not start. I waited for about 15 minutes and the car started with some hesitation and the light was out. When I got home I let the car sit for a few seconds and it started perfectly like nothing ever happened.
Does that mean that the temperature coolant sensor is bad??? I have a Hanes manual and apparently is not too difficult to do. Would I have to partially drain the radiator?
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My CEL is on for P0116 Engine Coolant temp circuit, range or performance problem. I replaced the CTS, thermostat, and did a complete coolant flush/replacement last November. Car worked well over the winter no issues. Last week when the CEL came on it gave me P0301 and P0440 as well. I did a reset and the lights stayed off for the week. Then P0116 came back. Is it possible that the CTS is bad again? I measured the resistance on the CTS and hot it is about 300 ohms and cold is 2.45k ohms.
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Few weeks ago I threw a CEL for an engine coolant temp. It went away and came back now as a P3081, I don't recall that being the code before. But from what I understand It is a simple sensor that I can replace myself. Car is running fine and not overheating.. it did however overheat the last time It threw a CEL but that was also stop and go traffic with AC on.
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I have an engine code of P0128 (low coolant temp etc.) I now think it's because I no longer have an Engine Splash Shield under my engine and the extra air is cooling the engine. I took it off after backing into a snow bank like an idiot. At first I thought it might be that I poured green coolant into the pink coolant because I lost coolant cleaning the throttle body (120,000miles). This mixture supposedly causes clumping and clogs in the system etc. Since then I flushed the coolant system and replaced it with yellow coolant which popular mechanics said was OK. So I'm left with the question of do i change it again to the pink coolant (~$50 compared to ~$15 for yellow coolant, thats why i got the yellow) or do i get an engine splash guard? Or Both?
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I keep getting a problem code of P0404 - EGR Circuit Range/Performance. What it is and if its a serious issue?
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My check engine light popped on for me a couple days ago. P2043-reductant temperature sensor range/performance. Truck still runs like a raped ape, no change in driveability. Just over 21k miles. No "speed limited to 55" messages or anything else. Basically no change in the truck other than the light.
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My '04 Passat 4Motion (station wagon) engine coolant temperature gauge, fuel gauge, and outside temperature display all stopped working in the same time. Interestingly enough, car has 32K miles and just ran out of manufacturer warranty 2 months ago.
What could be happening? Should I be checking fuse box or this may be related to some more serious failure?
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Mine is a 99 gls with the v6 and manual trans. I have 108,000 miles on it and mostly performs great except that my cabin lights are dead (moon roof still works, dash lights even the lights in the doors for the windows and locks light up but not the cabin lights and I can't find a dead fuse anywhere and the dealer looked at it for an hour with no luck). [URL]...
Mine is pretty intermittent at least over the last 6 months, but my temp gauge no longer reads anything and I've gotten a CEL twice now, this second time I pulled the code at autozone with an answer of 1106. I've had my 90k maintenance with the timing belt/water pump/coolant flush service.
I've also noticed when starting it up in the morning I'm getting quite a varnish smell out of it that my wife's 07 Rabbit doesn't produce and my mileage is still around 25 mpg for a 5 mile commute.
Now I see this is a pretty cheap part, so I'm going to wrench it myself but... where the heck is it? I've done the electrical replacement on my 96 jetta wolfsburg that had the 2.0 in it which was pretty easy but my passat seems to be hiding everything under the hood with fancy engine covers and stuff.
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Lately my engine/coolant temp gauge has been screwing with me. It is either been almost at 190* or dead 90-100*
It seems to go up when in the lower RPM range (idle-2000) and goes down when in the higher range (4000-redline I suppose).
I stayed at or above 4000rpm on my way home from work for 3-4 minutes and it was almost at 90*...went to 5000 for 2 minutes, same thing. I shifted to 6th and it rushes to 190*.
So is my sensor bad or what?
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I was driving today when the CEL came on, I scanned the car which gave me 1 code: P1296.
I googled it and said it is possibly the coolant temp sensor?
The Engine temp was normal at 190' or just below even after quite a bit of driving today.
Would the problem just be the sensor or should I be looking for other problems as well?
The car is a 2002 B5.5 AWM 1.8T Tiptronic.
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P3081. What the hell is this code. I think it is a coolant temp. sensor issue.
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If I am not mistaken this error code means that I have a coolant system issue. I've checked both of my radiator fans and they both spin, so it makes me think that its the thermostat issue. If I am correct, any link to a replacement part? Or better yet a DIY? I've searched and no dice.
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What could cause code P0607 - Control Module Performance?
Truck seems to be driving fine (except it just recently developed what I think is either the cam phaser tick or an exhaust manifold leak on the passenger side).
I haven't tried clearing the code to see if it comes back. This is on a 2006 F150 FX4 with the 5.4L...
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Like the title states, I've got P2181 (coolant system performance) CEL on again. I've had this code before and finally had everything serviced. It was off for 5k miles! I've spent a lot of time diagnosing this on the previous occurrences, and was 99% certain it was the thermostat due to the coolant temp dropping a notch or so when engine braking* on the interstate for more than a few seconds.
The current issue is mainly that the car will not heat up quite as fast, but it will not go lower from engine braking for a good chunk of time. I'm getting fairly poor MPG compared to what I was getting a month or two ago. The major changes are winter fuel blends and winter tires, which I'm sure affect the MPG a little, but I would hope not as much as I am seeing. Old average was around 27mpg combined and 30 or so for mostly highway, now I'm getting 24 tops. This is likely due to engine temps not being up to allow for most efficient fuel burning.
First plan is to change the CTS and see if that will fix it. If the code comes back after that, I'll have to check the thermostat and coolant mixture, but I wouldn't expect it to last only 5k miles.
Current: 105k
Thermostat and coolant changed at 100k
Water pump at 80k
CTS sometime around 70k
Engine braking lowering temp due to no fuel being ignited and coolant still circulating through the system if thermostat open.
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I am considering chipping my 1.8T ATW 2000 Passat and was wondering if there is any downside on chipping the engine. like reducing the life of the engine or the turbo or less MPG,
Which company should I go for the best quality and if you wanna share a "best practice" prior and post chipping
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I had CEL the other week scanned and found P2043 Reductant Temp/Sensor range. Light came on first thing after a cold start.
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fan does not run even when temp is at 210
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Suddenly the doors are not responding to touching to open or close and the engine is not starting. Giving the message that the key is not in range. I checked both keys and same situation also changed the batteries in both keys and same situation. Suddenly it worked by itself and suddenly it went bad again. I checked the error log of the car i am getting 9-Cent. Elect. -- Status: Malfunction 0010 however in the detailed log no faults found.
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I have an 04 SF with about 160K on it. Normally, the engine temp is just under the mid mark. Yesterday, on my drive home, the temp climbed to just under the redline, then declined to slightly above the mid mark, repeating this process several times. Each cycle took about 2-3 minutes. I was driving uphill at 20-30 mph.
I thought maybe the coolant temp sensor had gone bad. But I checked the OBD codes and found nothing there referring to the sensor. This morning, I let it idle in the drive, and the radiator fan turned on after the engine warmed. Coolant was a little low (there seems to be a slight leak somewhere), and I added some.
What could cause the temp to cycle up and down like that?
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I got my car back finally and on the way down the belt way i started sliding around a big turn and I get home to see my temp gauge way up and all the coolant went all over my engine .
I took it to a shop the did pressure test and that was fine, But the also found jell around the thermostat. The other thing they said is that it had air bubbles in it too. They said exhaust bubbles. But when they ran it it didn't heat up any more. They said its the early stages of blown head gasket ..
I took it to the dealer right away and they are telling me they cant find any thing wrong. Both places asked if i put stop leak in there but I never added anything to my car. So I am lost and don't know what to do.
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So I got a 98 GMC sierra and the ect sensor that is on it only had one wire running to it. Obviously the previous owner tried to make something work. I bought a new ect sensor and pigtail to rewire it but can't find the ground wire anywhere. Looking for a wiring diagram?
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