Question about Honda Accord
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Posted on Jan 02, 2017
these cars are really acute with there problems and this such prob is usually caused by the air filter needing changing, and full service with plugs and leads doesnt usually go a miss. when was the last time it had new oil and plugs and leads and filters?
Posted on Feb 26, 2009
The list of things to check is long and for the most part basic. I'd start with general tune-up diagnostics. My money is on the the dist cap & rotor as your culprits -these get the most wear, easiest to fix and the 1st place I'd look. It will cause it to run rough and die when you accelerate because it is not firing or firing the wrong cylinders. It may look good but still have a crack that you can't find. But I predict you will find a nice little pile of carbon dust and states of corrosion on the rotor & pins in the cap like I did when I had the same problem on my Civic a few years ago.
If that doesn't do the trick, you want to start by determining if it is dying from too little fuel or a weak spark
Weak spark will cause flooding- too much gas leftover after a weak spark eventually floods the engine- you will probably smell gas at the throttle body and you will have to wait before it will start again due to flooding. Not an absolute diagnostic, but if you smell fuel you can be pretty sure your problem is ignition or emissions related. It may still be an emissions component such as EGR or even a clogged cat or a potato stuck up the tailpipe.
Lean fuel conditions point to the fuel filter, fuel rail and fuel pump pressures and injectors.
General tune-up diagnostics:
Ignition: dist cap & rotor; Check plugs and wire conditions; Ignition coil or transistors may be bad but not causing a total loss of spark
Fuel & Emissions: Fuel filter, fuel rail pressures, EGR & PCV valves; check diagnostic codes from your OBD it might give a clue.
Hows your compression and timing? If you have over 90Kmiles and you haven't replaced your timing belt it may have stretched or jumped a gear notch. If this is the case you should change it before it breaks and bends your valves, causing expensive damage to the valve train.
If you want to fix your own then pick up a Haynes manual for your model and pick up the Haynes emissions & fuel injection books to demystify emissions computer codes, troubleshooting and repair. You can probably borrow these from your library or pick them up cheap at a used book store if money is tight.
Posted on Apr 30, 2009
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