Ok, so the other day i was driving and a wrench light appeared by my speedometer. Then like 2 seconds after my car began to alomost shut down because it would not let me go over 1000 revs so i ended up stalling and the engine was running crazy rough. I turned it back on and it was fine. A couple weeks go by and then today i turn it on, the same thing happens. But then its fine after restarting. Whats going on??? Please help!!!
Engine problems??
Blackbandit
1 - 9 of 9 Posts
Joined
·
247 Posts
Ok, so the other day i was driving and a wrench light appeared by my speedometer. Then like 2 seconds after my car began to alomost shut down because it would not let me go over 1000 revs so i ended up stalling and the engine was running crazy rough. I turned it back on and it was fine. A couple weeks go by and then today i turn it on, the same thing happens. But then its fine after restarting. Whats going on??? Please help!!!
Joined
·
247 Posts
hahaha, thats true about toyotas. But not tp sound like a total newb but wat are tps wires, lol???
Joined
·
247 Posts
Ok, so it did it to me again, which made me realize all three times it happened its right after filling up my tank. The second time it hapened the wrench lit up immeditly after getting gas. Since i have duels ive herd of peoples engine running "lean", not sure what this means but is sounds like it could apply. If it is my tps wires, how could i check??? And since the duels give me more air flow should i use a higher octane like 89 or so??
running lean just means that you have an increase in air flow but no inrease in fuel flow. now this is just what i've picked up, so dont hold me to it, but running lean, though admittedly a problem to worry about, is not always bad. running slightly lean will ensure complete fuel combustion, thus resulting in more mpgs and less emissions. running TOO lean will result in overheating the engine and having some serious problems. the best thing to do would be to tune your car and get the mixture back to where it should be, IF it is running lean. also, again just what i've heard, octane ratings don't really affect whether or not the car runs lean or rich. the octane only applies to power from combustion. again, not an expert, so don't quote me, but changing octanes shouldn't fix the problem, so get more fuel to the engine to match your new aditional airflow
o, and as far as the tps goes, i have never heard of it. :sorry but i did some looking around and found a site with some pretty easy step by step directions to testing and adjusting said tps... How to Troubleshoot a TPS sensor | eHow.com
Joined
·
96 Posts
It is possible you're pulling too much air, but I can't see how it would be related to you topping off your tank. You could check your TPS wires, your throttle body might be fine but if the sensor is bad you're computer is going to adjust for it. Possible problems could be your TPS sensor telling the ECU that you're not pulling the air that you are, and so your fuel is coming in lean to adjust. Other than that, you might have a fuel delivery problem but I would imagine it would be more consistantly problematic if you had bad pumps or injectors. I'd start with your tps wires and sensor and see where that goes. It could be something as simple as unplugging the sensor from the throttle body making sure its clean of debris and dirt, and plugging it back in. Just make sure the car is off and the negative is disconnected from the battery before unplugging the sensor connector.
Joined
·
96 Posts
Octane ratings relate to the condition in which gasoline vapors will combust. A higher octane rating, requires more energy to combust. Changing the octane rating won't add power, but running the right octane level for your engine will allow it to use the optimum amount of energy to cause power. So if you run at the wrong octane rating, you're using more of your engines power than necessary to cause combustion which can cause your engine to seem sluggish.
1 - 9 of 9 Posts
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
