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I’m thinking that your using to high of an octane gas. if your engine was made to run on 87 then thats what is supposed to run in it. An octane rating is the resistance to burn. the higher the octane the harder it is to burn. Now if your car runs better on a higher octane fuel then you have a carbon problem. The carbon build up is soaking up the fuel and not letting the fuel/air mixture into the combustion camber efficiently. Causing hard starting. Which is why your haveing to flood the engine to get it to start. which is causing a rough idle. I know you have mentioned you did a cleaning but it may have not been enough. Over time that carbon gets pretty stubborn and likes were it lives. My suggestion is try the seefoam again but let it soak in that intake over night. It might take awhile.
I could be way off base on this so I hope someone will chime in and either confirm or debunk me
I don’t think a timing belt would be an issue here because the problem would be there all the time not just when car is hot.
I thinking to replace the timing belt set asap and I’ll try seafoaming once again and let it sit overnight.
I’m running 93 because the manual indicate 91 or higher and sometimes is difficult to find 91, usually 89.
I read some issue where other people mention the ‘heat soak’ caused by gas vapor.
another people mention the crankshaft position sensor but there’s no CEL at all.Any other suggetion will be welcome…
I’m sure this issue happen a lot in Honda/Acura owners.
thanks a lo guys…Did you check your fuel pressure KOEO and KOER?
Hard starts are usually down to a leaking fuel pump check valve, faulty ECT or an issue with the your fuel pressure regulator.
Next time you have a hard start, i would cycle the key several times and see if that helps.
Quoted From dreamer2355:
Did you check your fuel pressure KOEO and KOER?
Hard starts are usually down to a leaking fuel pump check valve, faulty ECT or an issue with the your fuel pressure regulator.
Next time you have a hard start, i would cycle the key several times and see if that helps.
+1
Also, do you actually hear the fuel pump prime when you turn on the ignition?
Quoted From johnzcarz:
+1
Also, do you actually hear the fuel pump prime when you turn on the ignition?
Yes, I hear the fuel pump making normal cicle and priming to normal pressure the lines.
Quoted From dreamer2355:
Did you check your fuel pressure KOEO and KOER?
Hard starts are usually down to a leaking fuel pump check valve, faulty ECT or an issue with the your fuel pressure regulator.
Next time you have a hard start, i would cycle the key several times and see if that helps.
yes, everything looks normal with the engine runnig and engine off..
thanks you for you help, any other suggestion will be welcome.
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