Question about Honda Accord
Ok so at no mater what speed iam going every once and a while the car wont maintain a speed. the rpms drop off like the car shut off. i press the gas and the car picks up speed, with no problem. i have to shut the car off to get it to stop. or go 110 and let the car idle back down to the speed.
Check fuel system, fuel filter maybe need replace or spark plug
Posted on Jul 31, 2013
Testimonial: "just did a full tune up cant change the fuel filter because its internal ill have to change out the pump too. and the idle is fine."
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Posted on Jan 02, 2017
The PCM controls idle speed to ensure good driveability. The PCM will only attempt to maintain the desired idle speed when it “knows” the throttle is closed. A throttle switch or the TPS input is used to determine when the throttle is in the idle position. Motors and solenoids are used by most PCM’s to control idle speed. Many PCM’s are programmed to attempt to control the idle speed by adjusting spark timing and then by controlling the idle speed actuator. Some computers of the early 80's did not control idle speed.
Posted on Oct 19, 2008
Because the car has adaptive technology, it may take a while to reset and adjust to the new, cleaner and better conditions than those to which it had previously adapted.
Did you change the cap and rotor? if the plugs needed replacement, likely they do too
Possible other causes include:
loose or corroded connections to any electrical component you disturbed (make a checklist and tick them all off as you check them);
mis-reinstallation of any F.I. part disturbed(checklist again)
obstructed water flow through the AIC valve;
improper voltage output from the AIC valve (for LH 2.4 systems, should output 8 volt at idle, dropping as load increases; for LH 2.4.2 system output 7 volt at idle etc; testing between terminals)33 and 17 at disconnected LH connector;
possible problem with MAF.
Hope this helps
Posted on May 30, 2009
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