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Replaced the tps in my 1993 concorde and it dies when in park. Before it dies it sputters and almost dies then catches itself repeatedly. I ran codes and it said I had low or high voltage to tps and I was missing on more than one cylinder
These cars are bad about plug wires. You need to find out what the voltage is on your tps. There is a test you can run on the tps if you have a volt ohm meter. Sounds like you need a good major tune up, which includes plugs, wires, clean the throttle bodies.
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Clean your MAF sensor and throttle body. If it's dirty it will send wrong voltage to ECU, running either too lean or too rich, most likely too rich and flooded the fuel injectors.
It could be a combination of 2 things. A faulty MAP sensor itself or a bad TPS (throttle position sensor). It's not uncommon for a bad TPS to idle when the motor is cold but once warm, not idle fast enough to keep the vehicle running.
not sure on your year but check the modulator on the transmission. remove the vacuum line at the modulator and see if there is any tranny fluid there. if the there is change the modulator.
you could have a faulty Tps(throttle position sensor) this is located on the throttle body and has either a 4 wire plug or a 2 wire plug. I'm willing to bet that you need to replace this. the tps is responsible for your idle setting via the ecm(engine control moduel)...please rate this
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