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Posted on Jan 02, 2017
SOURCE: 2005 PT Cruiser 2.4
I think it sounds like your CAM sensor has fallen off or is faulty.
The computer controls the ignition timing and the injectors to squirt fuel in to the pistons at the right time. If the computer doesn't sense the cam angle correctly as you accellerate it can't put fuel into the pistons to match the opening and closing of the valves.
If you have a manual you can strip down the top of the engine to see the timing gears on the end of the Cam shaft and see if you can see the cam sensor and if there is anything obviously wrong (i.e. its missing) but you may be as well getting to the dealer to have it checked out and fixed. So the good Fuel pressure will not really effect the engine falling on its face as its a computer timing issue caused by bad sensor information that's causing the bad running.
Posted on Jul 31, 2008
SOURCE: 92 Honda civic LX hessitation.
Did you have the computer reflashed for the new injectors? If not, you have to do so. I don't know how much bigger than stock your new fuel injectors are but if it's more than just a little bigger, and you don't reprogram the computer, your mixture is going to be way too rich and you'll be stumbling. Have the ECU reprogrammed to properly control the injectors - many modifications don't affect, or are not affected by, the ECU, but injectors aren't on that list. If you did reprogram it, it may be simply because larger injectors aren't as precise when flowing slowly or at small duty cycles. There's also the chance that one or more are leaking slightly although that's not as common.
Posted on Jan 22, 2010
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