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Old 01-15-2022, 02:47 PM #16
Valize Valize is offline
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Originally Posted by SurferUK View Post
It's been just about freezing point over here in the mornings and my engine RPM fluctuates about slightly on first start, if that's what you mean I don't think it's a problem.
Live in Alberta, can confirm. When itís cold she will rev high on startup, after 5-10s she will settle down. If you have the climate controls set to auto, idle will pickup when the heater turns on to max.
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Old 01-15-2022, 03:07 PM #17
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Originally Posted by SurferUK View Post
That filler cap doesn't look too bad to me. And the coolant was clear for exhaust gas. I think the best thing you can do is just relax, top it right off to full, run it around for a few days, do some long trips to burn off any moisture in the oil, and see what happens. Then get the cooling system pressure tested if it keeps dropping.

Did you have to remove the thermostat? Might be worth checking around there for a leak.

It's been just about freezing point over here in the mornings and my engine RPM fluctuates about slightly on first start, if that's what you mean I don't think it's a problem. If that's not what you mean wonder if it's more likely to be related to something disturbed while the HG was being done. Maybe you have a slight intake leak, or something. I know when I unplugged my PCV hose with the engine running (Different vehicle but same principle) it went crazy trying to stall and the ECU correcting it.
I have a 2-hour trip planned tomorrow so I'll keep my eye on it. Yea when I start in the morning it sounds like the car is bogging down for 3-5 seconds. Like if it was going to stall. Is that what you mean by slight rpm fluctuation?

The mechanic who helped me do the job is 800 miles away lol. I did the job while I was in Florida so if anything was disturbed while doing the job I'll have to hunt down solo.

Thanks for the reply. Wondering if anyone else is experiencing the morning
"Engine bog down" in cold weather.
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Old 01-15-2022, 03:09 PM #18
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Originally Posted by Valize View Post
Live in Alberta, can confirm. When itís cold she will rev high on startup, after 5-10s she will settle down. If you have the climate controls set to auto, idle will pickup when the heater turns on to max.
Thats what I would expect. Higher rpms to compensate. It feels like my engine wants to stall for 3-5 seconds before rpms raising back to normal. This is what leads me to think the worst.

Thanks for the reply.
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Old 01-15-2022, 03:10 PM #19
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Originally Posted by Nevek08 View Post
I have a 2-hour trip planned tomorrow so I'll keep my eye on it. Yea when I start in the morning it sounds like the car is bogging down for 3-5 seconds. Like if it was going to stall. Is that what you mean by slight rpm fluctuation?

The mechanic who helped me do the job is 800 miles away lol. I did the job while I was in Florida so if anything was disturbed while doing the job I'll have to hunt down solo.

Thanks for the reply. Wondering if anyone else is experiencing the morning
"Engine bog down" in cold weather.
Could you video it? It doesn't sound 'normal', but it could be any one of a dozen or more things. It doesn't make me think head gasket straight away though.

No all mine does is rev slightly high as it warms up, and the RPM aren't perfectly stable, but it doesn't sound like it's going to stall.

I forgot to say - the easiest thing you might be able to do if you want to rule out HG is take the spark plugs out and look for coolant contamination. It's a relatively long job to remove the intake, but it isn't too difficult. That way you can double check all your vacuum and intake components. But I would confirm it is still using/losing coolant first before dismantling anything.
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Old 01-15-2022, 03:13 PM #20
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Originally Posted by SurferUK View Post
Could you video it? It doesn't sound 'normal', but it could be any one of a dozen or more things. It doesn't make me think head gasket straight away though.

No all mine does is rev slightly high as it warms up, and the RPM aren't perfectly stable, but it doesn't sound like it's going to stall.
I dont know if the mic will pick it up but I'll definitely try tomorrow morning. Will report back.
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Old 01-15-2022, 03:21 PM #21
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I dont know if the mic will pick it up but I'll definitely try tomorrow morning. Will report back.
You just know it will behave itself now you want it to do it
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