Cold start issue 400 1999

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0xArtpc
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Joined: Wed Mar 01, 2023 1:51 pm

Cold start issue 400 1999

Post by 0xArtpc »

Hey, my car has a cold start issue, i've changed too many things and stil having the problem, i changed the spark plugs, spark cables , battery, injectors, belt distribution, filters ( fuel, oil, air), starter, butterfly valve i think thats it and already did a hole on fuel tank cap becouse it had vacum. Thanks
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GTiJohn
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Location: Midlands

Re: Cold start issue 400 1999

Post by GTiJohn »

Presumably it starts when not cold?

This suggests a sensor might be mis-reading at lower temps...
I like Twin Cams.... and Single Cams...and now Turbos
0xArtpc
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Re: Cold start issue 400 1999

Post by 0xArtpc »

Yes, this happands when i start the car on the next day or even when im not using for like 10 hrs
What is that sensor?
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220 GSi turbo
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Re: Cold start issue 400 1999

Post by 220 GSi turbo »

Sounds like the coolant temperature sensor to me: https://rimmerbros.com/Item--i-MEK100061

If the sensor has failed, the ECU uses a default setting that will allow the car to run without overfuelling, but it will not enrich (choke) enough to start from cold.

:welcome
1995 220GSi Turbo: owned for 22 years
1994 216SLi
2000 25GTi

Daily: Honda Civic Type R GT

Previously: 216 Sprint (1988-91)216 Coupe(1993-95) 214SLi(1995-96) 420GSi Turbo L955UKV(1997-2004) 214SEi M884BMR(2004-11) 420GSi Tourer (2005-6) 214 SEi M103BCW(2011-12)
0xArtpc
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Re: Cold start issue 400 1999

Post by 0xArtpc »

Didn't know the ECU of 99 had that impact
0xArtpc
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Re: Cold start issue 400 1999

Post by 0xArtpc »

220 GSi turbo wrote: Wed Mar 01, 2023 3:26 pm Sounds like the coolant temperature sensor to me: https://rimmerbros.com/Item--i-MEK100061

If the sensor has failed, the ECU uses a default setting that will allow the car to run without overfuelling, but it will not enrich (choke) enough to start from cold.

:welcome
I've changed the sensor and still the same problem..
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