Slow starting ignition

MannyP · Jan 17, 2018

ARod1982 said:
Naples

No shit! Me too.

MarshX · Jan 20, 2018

ARod1982 said:
Got a 17 civic si sedan 9 months old 8,000 miles. South west florida 70 degree weather only mod is cold air intake and led lows and fogs that have been on for 7 months with no issues. The last week my car has taken about 4 to 5 seconds to start almost as if the battery was dead. It has only happened twice in the last 5 days. Has anyone had issues like this ? Thanks for any advice

Had this happening a few days after I installed my Sirimoto Strut Bar. The Bar and piping are touching and I think it hinders the initial flex of the engine when started. Idk, it may be something else like a battery issue but I’m not too sure of this since the car is new.

9civic10 · Jan 21, 2018

Happens to me every now and then . Stock . Concerned me at first but it just seems to be one of the weird things this car does .

chokesmaster · Jan 21, 2018

I have a Canadian LX and I also have a slow crank when it's cold, tested my battery and it's already not good. It is covered by the 3 years bumper bumper warranty. ( Will go fix it on monday )

riv21 · Jan 22, 2018

Same here south florida weather car took about 6 seconds after the crank to start. Only thing I have is a ktuner stage 1 tune nothing else.

fretcrazy · Jan 22, 2018

360glitch said:
You may need a tune with the Injen intake to make sure the ECU is measuring the airflow correctly. They have been all over the place from what I have heard from others.

I did not get my tuner until after the intake, so have no idea what 'stock' AFR should be, I get a consistent 14.2-14.9 w/my Injen. One PRL user on here is closer to 10.5/11. Anyone happen to be running stock intake w/Ktuner?

360glitch · Jan 22, 2018

fretcrazy said:
I did not get my tuner until after the intake, so have no idea what 'stock' AFR should be, I get a consistent 14.2-14.9 w/my Injen. One PRL user on here is closer to 10.5/11. Anyone happen to be running stock intake w/Ktuner?

How are your fuel trims? That is a better indicator.

fretcrazy · Jan 23, 2018

360glitch said:
How are your fuel trims? That is a better indicator.

Thanks for the advice @360glitch , those definitely paint a more clear picture than the AFR. As expected, and you correctly indicated, it's all over the place. Looked over a few logs, average LTFT is about -7.5; STFT high as +2 as low as -20.

360glitch · Jan 23, 2018

fretcrazy said:
Thanks for the advice @360glitch , those definitely paint a more clear picture than the AFR. As expected, and you correctly indicated, it's all over the place. Looked over a few logs, average lt is about -7.5; st high as +2 as low as -20.

LTFT or STFT?

fretcrazy · Jan 23, 2018

360glitch said:
LTFT or STFT?

My mistake! Edited original post.

ARod1982 · Jan 25, 2018

ARod1982 said:
Got a 17 civic si sedan 9 months old 8,000 miles. South west florida 70 degree weather only mod is cold air intake and led lows and fogs that have been on for 7 months with no issues. The last week my car has taken about 4 to 5 seconds to start almost as if the battery was dead. It has only happened twice in the last 5 days. Has anyone had issues like this ? Thanks for any advice

So....... my si just broke down and doesnt want to start. The emissions light came on and the rpm gage is eratic. Only mod on my car is a injen cai thats been on for a few months. Never tuned or nothing. Just called honda to come pick it up. Let see ?

MannyP · Jan 25, 2018

ARod1982 said:
So....... my si just broke down and doesnt want to start. The emissions light came on and the rpm gage is eratic. Only mod on my car is a injen cai thats been on for a few months. Never tuned or nothing. Just called honda to come pick it up. Let see ?

Crazy! did try to crank at all?

360glitch · Jan 25, 2018

ARod1982 said:
So....... my si just broke down and doesnt want to start. The emissions light came on and the rpm gage is eratic. Only mod on my car is a injen cai thats been on for a few months. Never tuned or nothing. Just called honda to come pick it up. Let see ?

Might be too late but I'd recommend putting the stock intake back on and resetting the ECU (which resets the fuel trims) to see if that takes care of it for you.

ARod1982 · Jan 25, 2018

360glitch said:
Might be too late but I'd recommend putting the stock intake back on and resetting the ECU (which resets the fuel trims) to see if that takes care of it for you.

Moisture on the MAF. And it started right up with no issues. They recommend to remove the cai as water can get in that wheel well. The tech said everyone thinks that that wheel well is sealed but in light rain that filter will get wet and maybe not suck water into the engine but damage the maf.

kakazsh · Jan 25, 2018

riv21 said:
Same here south florida weather car took about 6 seconds after the crank to start. Only thing I have is a ktuner stage 1 tune nothing else.

Same here. In Orlando.
Had once maybe 3 sec start. Today has a good 5+ sec. Definitely not normal, feels very long.
Hopefully it's like someone said is a weird quirk of this car. (I doubt it)
Only mod is Ktuner and VitTuned stage 1.

Slow starting ignition

MannyP

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MarshX

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9civic10

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chokesmaster

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riv21

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fretcrazy

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360glitch

fretcrazy

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360glitch

fretcrazy

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ARod1982

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MannyP

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360glitch

ARod1982

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kakazsh

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