Question about 1996 Acura TL Series
Short term fuel trim at negative 20 percent.coolant temperature sensor reading normal-203 degree F.at idle,mass air flow meter reading 4 g/s and at 2500 rpm reads 18 g/s.condition kept vehicle to miss only on #3 cylinder.dist cap,rotor,plugs,ignition wire has been replaced.fuel pressure reading normal and compression is normal 180-190 psi for all cylinders
Do a cylinder leak down test,for bad valves on #3
or head gasket,misfires for a reason
(Cam Worn ?)
Have to get rid of any misfires
If your taking out 20% your correcting for a rich condition,maybe
Some injector issues,old,need to be sent away for cleaning & flow
testing or replaced?
Drive it for 30 miles & add short & long term & see what you get
Exhaust Converter any good ?
Posted on Apr 02, 2014
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Posted on Jan 02, 2017
check your main relay it may be in default it is the signal that sends the gas pump is located below the driver side dash give me the new
Posted on Jan 03, 2009
your fan is the problem...it's not turning fast enough to cool the engine off. I need more info on what type of fan you have....elec fan or a clutch fan?
Posted on Apr 24, 2009
Locate the distributer cap. Mark all your spark plug wires with some tape and number system so they go back in the same position (on the new cap). Remove the spark plug wires from the old cap (after marking them) and lay them to the side. Remove the 2 Torx or Phillips screws from the cap. Lift the cap up and off. The rotor will be directly under the cap. Lift it up and off. This may take a little rocking motion while pulling on it to get it off. Align the new rotor on the shaft and push it on firmly. Place the new cap on and install the 2 screws removed earlier. Install the plug wires on the cap in the order they come off. Ensure the wires are pushed in firmly.
Posted on Jan 30, 2011
SOURCE: 96 acura tl 2.5 rough idle
REPLACE DISTRIBUTOR CAP AND ROTOR REPLACE SPARK PLUGS AND WIRES IF NOT BEEN CHANGED IN LONG PERIOD OF TIME.CHECK IGNITION TIMING.CHANGE AIR FILTER CLEAN FUEL INJECTORS.IF ENGINE STILL MISFIRE IGNITION COIL IS WEAK OR YOU HAVE LOW CYLINDER COMPRESSION.
Posted on Jul 21, 2011
Never seen one of these cars but if in doubt ask a local mechanic to have a look for you ,in the heater hose feed to the heater could be a electric solonoid type switch that opens the valve inside the water pipe housing that the solonoid sits on and it could somehting wrong here like either the solonoid isnt operating or no power being sent to it from the climatic control computer or the plunger inside the housing is stuck ,use a mechanic recomended by a friend or relative to check the type of system ,The parts are or can be expensive and i have removed the automatic valve and fitted a tap with a manual cable from a bicycle gear change before now but i cannot recommend this as although it works other people who answer questions on here are altogether happy with some of my cowboy jobs ,but i used to be a fleet fitter with lots of own company vehicles not a dealer fitter and the owner was a refugee from a concentration camp in poland and he didnt like spending money ,an under statement to say the least
Posted on Dec 01, 2011
Tips for a great answer:
If the value is not more than -20 percent, inspect for the following:
With the engine idling and the transmission in the Park or Neutral position, observe the manifold absolute pressure (MAP) sensor parameter. The MAP sensor parameter should be between 19-42 kPa.
If the MAP sensor parameter is not between 19-42 kPa, refer to DTC P0106 .
With the engine idling, observe the mass air flow (MAF) sensor parameter. The MAF sensor parameter should be within 2-6 g/s at idle.
Vacuum hoses for splits, kinks, and improper connections
The air intake duct for being collapsed or restricted
The air filter for being dirty or restricted
Objects blocking the throttle body
Excessive fuel in the crankcase due to leaking fuel injectors
The evaporative emissions control system for improper operation
Excessive fuel pressure
Malfunctioning fuel injectors
The HO2S for improper installation and for electrical wires or connectors that may have contacted the exhaust system
The HO2S signal circuit shorted to voltage
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