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Huge bouncing Idle
Ok so my buddy has a del sol. b16A3 engine. bought the car from the States and shipped it up here. It was fine...drove the car for about 3 weeks and the idle started bouncing like crazy. I figured it was his TPS sensor. So he ordered a new TB we put on the TPS sensor..and bam...the idle was worse. So we put the stock TPS sensor on and yeah..back to 1250-2000 RPM range. No CEL light. I can't figure it out..anyhelp.??
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could there be a vacuum leak of somekind? spray some throttle body cleaner around the intake manifold and see if the idle changes.
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Maybe the IAC valve (if Hondas have those)? TPS would've been my first guess, too...but it sounds like that's a bit cracked out. Have you tried disconnecting the mass air meter (again, if the car has one)? Sometimes if the MAF goes bad it can fuck with your idle.
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Yeah, try cleaning the iac valve w/ some carb cleaner.
My car was doing that last winter and once I cleaned it out, problem solved. |
if the idle is set too high the car will do that too. also check for vacum leaks too.
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when i had that problem it was a vaccum leak. i'd get the vaccum diagram and make sure to check everything and not just look by eye, i didnt see my problem that way.
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Ok so i looked and looked for pics...were is the IAC....
and Chris do you know where I can get a vaccume diagram and where is the idle screw..is there one I haven't worked on a honda for a little over a year..since I did my swap...so I'm a little rusty.... |
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iacv on my d16 is on the back of the intake manifold...its got 1 wire connector and 2 coolant lines running to it
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nice link!
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+1 |
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+2 Also check your spark plugs and wires. make sure all cylinders are firing. |
so did you ever figure out the problem?
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In all honesty. Not yet. I talked to the guy and sent him this link and some others. However I haven't had a chance to get my hands on his car yet. I don't think he has worked on it either. This week for sure I'll be working on it. |
Its either the IACV or the FIT (fast idle thermostat) I had this problem when i installed my blower and a guy over on a another site showed me a way to fix it and tell if it was either one of those. If u want to know what to check hit me with a pm and ill send you the summery. ITs really easy as just as looking in your throttle bodie.
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