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nicenfrank

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  • Lexus Model
    1997 Lexus ES300

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  1. I have a 97 Es300, 161k with similar issues. Curious if it could 'simply' be the ECM and not something more sinister and costly. Within the last 2 weeks, it has been progressively harder to start cold (longer crank time). Warm start doesn't readlily seem to be as affected. It used to crank within 1 second and on the first try. Now, the crank is up to about three seconds and usually takes more than 1 crank attempt. Also, I've just noticed within the last few days a fuel odor immediately after start up that seems to dissipate after about a minute or two. The smell seems to be coming from the engine compartment and not the exhaust. I have noticed, though, that for upwards of the last year I have a decent puff of white(-ish) smoke from the exhaust upon start up that seems to dissipate within about 2 to 5 seconds. Haven't really noticed that get worse. (And haven't done the tailpipe sniff test, yet.) Other than that, the car seems to ride great. No rough idle. No hesitation. Compression feels like it might be okay, though I don't know that I have the same amount of power I had when I bought this used back in 2001. About 80% of my driving is hwy and my latest mpg is around 25-27. Don't know if that's really tremendous or if it could be bad and possibly an indicator of a problem. I regularly have my oil and filter replaced within the 5k specs and with no mention of sludging problems that seem to plague this model year. Any thoughts or assistance? I'd like to at least be able to speak knowledgably with a mechanic and not get taken or replace part/system after part/system without resolve. Thanks!
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