well mother f*(k :: emissions
#26
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im just wondering if leaky injectors could cause the HC's to be high like this... also i put 14$ in gas in the car last night (roughly half a tank) now it's dropped to a little under a 1/4 .. and i drove a total of maybe 40 miles today IF THAT... so im thinking it's something to do with the fuel, but knowing me, i pick the top 10 hardest things to trouble shoot before i even think of the simplest things.. im trying to avoid a tear down at this point.. ive spent 3 solid weeks working on the car.. had no sleep.. so im wanting to get it just narrowed down at this point
#31
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Originally Posted by eriksseven
Can you explain how the coolant temp. sensor would effect emissions? (I too just failed the test).
#33
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well im bout to go to sleep, gonna trouble shoot it all tomorrow when i get up, if anyone can give me any last minute suggestions, and tell me a quick easy way to check the CTS i would be very gratefull
thanks,
alan
thanks,
alan
#34
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Originally Posted by neu
well im bout to go to sleep, gonna trouble shoot it all tomorrow when i get up, if anyone can give me any last minute suggestions, and tell me a quick easy way to check the CTS i would be very gratefull
thanks,
alan
thanks,
alan
#35
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Originally Posted by Steel
ECU runs the car richer when cold. If CTS is not working and registering -40 degrees, the car will run rich all the time.
#36
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well, to teast the cts, first see if there is voltage from the reference wire in the first place. Look in the FSM for spec numbers, but i'm pretty usre our cars use a 5V ref. Anyhoo, after that, test the signal voltage from when the car is started until it warmes up. It should start at a low voltage and slowly go up as the coolant heats up.
Just think of it from the cars perspective. I know it sounds dumb, but it helps me when i'm trying to diagnose things. I'm dumping a lot of fuel into my chambers. Why? Cause i think it's cold.... or I think the air coming in is real cold/ i'm always taking in a lot of air. Or my oxygen sensor keeps telling me im lean, so i keep dumping in more fuel. Think of all the components related to the fuel delivery, and check them.
Just think of it from the cars perspective. I know it sounds dumb, but it helps me when i'm trying to diagnose things. I'm dumping a lot of fuel into my chambers. Why? Cause i think it's cold.... or I think the air coming in is real cold/ i'm always taking in a lot of air. Or my oxygen sensor keeps telling me im lean, so i keep dumping in more fuel. Think of all the components related to the fuel delivery, and check them.
#38
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sounds good, thanks for the help everybody... i got a nice list of all the things i need to check out tomorrow, i'll let everyone know what i find, be a good future reference for anyone having trouble passing emissions, because i am going to check EVERYTHING that could effect it, taking common sense, old threads, this thread, fsm's, etc and doing a full check up.. maybe i can beat this problem once and for all.
thanks for all the help,
alan
thanks for all the help,
alan
#39
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you know what i just decided... im gonna break out my FSM, my Digi cam, and spend the next few days doing an Emissions/Fuel Econ write-up... checking everything i can check, replacing things i can replace... well, unless it rains *shakes fist towards the sky*
#41
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Originally Posted by neu
no, i havent checked that... could you tell me how i could check it.. on a poor mans tool budget..
#42
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well, i just replaced the sensor on the water pump housing... i looked at it and said to myself 'how the hell did Aaron know' it was broken almost completely off, hanging on by some brittle plastic... replaced it with a spare i had in a parts car, im just hoping it's gonna make a difference emissions wise
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