Question about 1997 Toyota Tacoma
1997 tacoma skips when accelerating and also fuel is burning rich
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Posted on Jan 02, 2017
SOURCE: lurching at low speed take off
I would start by cleaning the inside of the Mass Air Flow sensor, dirt gets on the sensor element from the air going through and causes these kinds of problems, a company called CRC makes the spray cleaner for MAF's, any good auto parts store will have it, the MAF is located in the air intake hose to the engine. Another thing to check is the throttle valve and air bypass idle speed control valve for sludge, use the following procedure I have written to perform this.
Here is the most common cause of surges and stalls and low idle, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.
Posted on Dec 04, 2008
Is there any check engine lights on?The throttle position switch could be a problem,but so can fuel pressure.Fuel pressure is what I would check.Battery voltage and charging voltage needs to be checked,Battery voltage of course should be 12 volts.The charging voltage should be 13.65 to 14.25,and the battery cables cleaned real good and shiny.Does the vehicle start good,or drag when starting?See if auto zone will read the codes for you,and tell you what they are,but don`t purchase any parts until you come back to this site to see what the codes can actually mean.If the o2 sensor showed lean,then it is possible that the fuel pressure is low,fuel pump replacement will be a must. I hope this was helpful,but need information,so do these things and return to the site.thank you.
Posted on Oct 11, 2009
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