In this video i show what it means, how to document it, and what dealers do to fix it Cold start video of my mk3 supra, car is not tune yet and has a base start up from fueltech Rough/raspy idle right after a cold soak, flashing or steady mil, misfire dtcs
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Cold start injector was tested when fully removed during rebuild
Preston noticed a little slop but not much to adjust tps checked and resistance all checks out fuel.
I run 800cc injectors and my car sounds even worse for the first few seconds, then i see the cold start enrichment kick in on my wideband and it gets better It doesn't smoke like yours though. So, my 7mgte just randomly started to cold start rough and after warming almost seems to miss fire every once in a great while, though after it warms up the roughness go away. Hi having problem with a rough idle that only last a few seconds right after startup when the engine is cold
Sometimes there is a short hesitation also when engine got normal temperature. This is a thread with some details about how the 1982 idle speed is controlled with the idle air control (iac) valve It uses a bimetallic strip in the iac valve to set the idle speed. Is she auto or standard
The timing mark is on the balancer
She may be out of time, but a bit unlikely I would try to find out which cylinder is missing first It could be anything from a dirty plug to. Aside from checking for vacuum leaks, check your iac valve and egr
Those parts need to be checked and cleaned every now and then, egr valve can get stuck. Car turns over, and starts but chugs a little bit until it gets to idle It’s fine for the rest of the day When turned on the car will idle extremely rough for about 2 or 3 seconds, then rev upto normal speed (1800 rpm on cold starts)
Rough idle on warm start up (20 minutes), 87 7mgte mkiii supra
Idling issues, now fluctuating first of all i searched for quite some time, but still i'm not 100% sure what could be the cause I was on a ride with my buddy this. Sometimes there is a short hesitation also when engine got normal temperature
