GTI 337/20th Anniversary :: Hard Starting In Hot Weather (over 90 Degrees)
Jun 10, 2015
So I did a couple searches and found a couple MK3's with this issue however I did not find anything for the MK4.
The last couple days, we have been over 90 degrees in the afternoon. My black 03 20th 1.8t sits on the side of the road at work in the direct sun from 12:30 (lunch) until 5pm when I get off.
The last 2 days, when I have gone to start it, it cranks and cranks for 5-8 seconds before it starts to catch and finally stumbles to life. Once its running, everything feels fine. If I turn the car off and restart it, it starts fine.
In the mornings in the garage, evenings when its cooler or leaving for lunch before the day has gotten really hot, it starts fine. It only seems to be affected after sitting in the direct afternoon heat for a few hours.
I have read vapor lock, dying crank position sensor, ignition issues, starter etc. I am going to rule out the starter as the car cranks like normal. It simply does not fire.
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I have a 2002 Nissan Altima that has a hard time starting but runs fine once started. It is very difficult in the winter when the temp is below 25 degrees. Sometimes it take me 5 to 6 tries to get it started. I have had the vehicle checked by two mechanics and recently had the battery replaced. The mechanics said the car looks fine. Could this be a fuel injector problem or moisture in the fuel system?
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Ok so first of all my car started perfect everyday but i live in Boca Raton FL so it is normally very hot but the past few days it has gotten rather cold for FL like 30ish...So my question is...is it possible that my starter endured such extreme different weather changes that it ruined it or could it be that it has been too cold for the starter to work two nights ago it didnt work and also this morning but it started warming up again and it took a while seconds but it started but very bad??? could it be it just has to warm up again and it will be fine? or do i need a new starter..
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My Jetta has been throwing this code on and off for over a year now. It used to only come on when it was really cold with wet roads. Now the code will randomly come on in any weather. I usually just clear it but it's coming on to often now. I don't notice any performance issues or gas mileage problems.
Scan shows : Trouble Code - P0420 Catalyst System Efficiency Below Threshold (Bank 1)
I've been reading and apparently 1.8t engines only have One bank? I'm assuming this the the front 02 sensor throwing this but not sure?
I have an aftermarket exhaust/high flow cat. Apparently this can be caused by a high flow after market catalytic converter and one solution is to use a test pipe or spacer to move the rear O2 sensor further from the exhaust gas flow. But I'm not sure this is the issue since I think it's my front sensor throwing the code? That's not by the Cat is it? I just don't want to have the sensor replaced to have the code still come up.
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My 2006 Ford Fusion SE V6 has trouble starting in cold weather. Once it starts, it's fine throughout the day, but once it sits a long time, like overnight, it has trouble starting in the morning. If it had a carburetor, I'd say the choke wasn't working. The dealership couldn't figure it out a few years back. I even tried a new battery and that didn't work. Is there a sensor that detects cold weather and increases fuel flow or chokes off air flow for richer starting mixture that could be failing?
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How to diagnose what I think is a failing alternator?
Here are the symptoms:
- Hard starting in cold weather
- Battery not at full voltage when truck is parked (usually around 11.5-12 volts. I have been putting a charger on it some nights)
- Lights seem to dim when I've got accessories running, like heater fan, heated seats etc. Lights get brighter with engine RPM, like when pulling away from an intersection.
What's my next step to diagnose this? I did a search, and didn't see anything. My battery is probably still under warranty, so if that's the issue, it should be a free fix. How hard is it to install an alternator in a 2005 with 5.4L engine?
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My 20th has been having a starting issue and I've honestly tried everything I can think of, this issue just randomly started one day the car will not start on first crank it starts second or third every time. After it's started and running it runs perfect its just getting it started.
I've replaced the Crankshaft sensor, Camshaft sensor, Coolant temp sensor, the car has had new injectors (440) installed about two months ago, has the new battery. My father is a mechanic and he has also tried everything he knows to do and we asked our local VW specialist and he said to try the things we have already did. Ran codes when the issue started and it only came up with camshaft sensor and we replaced that and cleared the code still nothing. Once this issue started we parked the car and started troubleshooting and the oil was low? even though I know before the issue started it was good and full. the car has a stage two intronic tune, 440 injectors, secondary air delete and all and a shaved and partially tucked bay, there are no resistors is the open unused sensors.
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I just picked up my new GLI the other day. It sounds like a diesel when I start it up. It only has 200 miles so far, so I'm not sure if it's because it hasn't been broken in. My dad has a brand new A4 1.8T with about as many miles as my GLI and it doesn't sound anything like mine when its started up. I don't remember other GLI's sounding like mine when I test drove them. Is this normal or am I being oversensative?
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I was in traffic the other day on the express way and I noticed my engine was starting to overheat. I think it has something to do with the AC because as soon as I turned it off the temp went back to normal. What it could be?
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Noticed recently that my clutch is starting to slip. It only seems to happen when I'm cruising in 6th and floor it. When the boost spikes, the revs will shoot up ~750 rpm and then settle back down before the car starts to pull. It is chipped Unitronic Stage 2 with some other bolt-ons.
What I'm wondering is, should I just drive it like this until it really starts to go, or should I replace it now? And what are my options for a new clutch? I don't want to big turbo this car, so the most it could get is a few more bolt-ons. I'd like a stock feeling clutch.
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A few weeks ago, my battery died, got a new one, ran fine for a week. Then wanted to go to work a a few days ago, turn the key and heard nothing, took the starter out, got a new one and put it in (used-but I took it apart and it looked fine) Once I put that in was excited to have my car back, but same thing, not even a sound coming from the starter, doesn't even try. Thought it might be a fuse problem, checked everyone that might have to do with the engine...and they all looked fine.
Something with the relays perhaps? I haven't checked those yet. A ground issue? I'm so lost right now.
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So I've been noticing that my GLi is tough to put into first gear sometimes. I feel almost like I have to jam it in place and hold it there, it doesn't just click in. Could this be the shifter cable ends or the cables themselves? Its weird... its only ever been a problem for 1st gear though.
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I got the car like that. When I take off hard there is a crack somewhere in the front. Then when I stop hard it cracks too. What could it be??? Sometype of bushing??
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Sometimes (most of the time), when I shift from first to second, its either hard to do or it "pops" into gear. There's not like a grinding gear but it sounds like it is hitting something as it goes into gear. If I go 1st to 2nd while stopped, it goes in nice and smooth. It sort of feels like how you can't shift into 1st while you are moving slowly, you have to push on it a bit and then it finally pops in.
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So tonight at 8:30 I started up my car to get ready to leave work. I turned my light switch to activate the headlights and I only saw the amber light on the wall in front of me. I was worried because I need headlights in order to get home. I tried activating the fogs and turning the switch on and off but only my parking lights were working. I turned the car on and off a few times and all of a sudden the headlights finally turned on. I drove around town afterwards to run errands and the headlights were turning on just fine. What would cause this issue and I really don't want it to get to the point where I can't drive my car at night.
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My 20th Ann. Is jerking under acceleration. When I hit the gas pedal slightly hard it starts jerking. Every once in a while the CEL will flash on and off. I changed the spark plugs and coil packs, cleaned the MAF, and now I have no real direction where to go. Maybe it could be a vaccum problem...
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It all started after it being cold outside it's hard to shift into second gear when i first start up the car, and then after a couple shifts like that i get a notchy shift. after a while of driving it all disappears.
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I just recently bought a 337 edition gti and I absolutely love it. But the guy I bought it from says that it was chipped but he doesn't know what brand tune it is. But the problem, like the title suggests, is that in first gear the car pulls incredibly hard but as soon as I shift into second I lose all my momentum and it just feels sluggish.everyone that I've seen on these threads have said that I should be getting the most power I'm second and third gear. Is this tune just not a good one? Could there be something more?
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I just rolled 100k in the 337. Time to do some refreshing. 2 noticeable issues (non-motor related anyway )
1 - sometimes when turning hard left to right, or vice versa, I hear and feel a "cluck", almost like the something is shifting.
2 - I've got a creak from the front (and I think maybe the back too) when I get out of the car. Sometimes I hear it when I slowly go over a bump as well.
3- I think my rear shocks are on the way out.
In the last 15k I replaced both the inner and outer tie rods. That's all I've done to the suspension.
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My gli has some trouble sometimes starting when parked upwards on a hill, I am thinking its the fuel pump..?
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I have a 20th with 106k on it and I notice mostly my right front rubbing on hard turns. Suspension is totally stock other than a 28mm rear sway. Is it possible that's causing it or is my suspension just getting old? No spacer on the fronts.
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