Runs good until it gets to normal running temp. then check engine light comes on and it starts missing and dies. code reader said it skipped 1 or more notches on timing belt. when check timing its still right.
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Anytime, you have a "CIRCUIT MALFUNCTION CODE" it means the problem can be in the sensor, the wiring, the connector at the sensor or connector at the engine controller or even the engine controller itself. FIRST: Check all the related wiring and connectors if you find NO Damage to the wiring or connectors then there is a possibility the NEW SENSOR could be faulty OR the Engine Controller could be the issue. Hope this helps and have an awesome day tazzsofly.
Check to see if your radiator coolant fan runs with the A/C on. It should run constantly with the A/C on, and even with the A/C off the fan should come on when the coolant reaches 220 degrees or better and stay on until it cools down below 200 degrees. The problem is that you're not getting enough ambient air through the radiator.
assuming the starter is good and the engine turn over fine but will not fire or run. when the car die, check why is it so hard to start. check if you getting sparks and fuel, no sparks check coil and wires,and if both are good than the cam sensor is bad, no fuel, check the fuel pump, pump good check the crank sensor.
Get the engine light code read! It will tell you what sensor has gone out of range or stopped responding to the computer.
You probably have a coolant temp sensor going bad. That usually keeps the car in "open loop" mode which means it dumps a lot more fuel to warm up the vehicle until the coolant sensor says its ready to adjust things. No coolant sensor....no adjust! Running rich at low speed causes fouling and misses at low speed.
P0403 Exhaust gas recirculation circuit malfunction. The EGR valve is not happy. This may require a new EGR valve. I would try fuel injector cleaner first. Put a full bottle in 1/3 tank of gas a give it a good run....could be a piece of carbon holding the valve out of position. Does it idle ok? A rougher than normal or faster than normal idle speed could be a stuck valve.
yes bad ecu. exat same thing happened to a freind of mine he replaced maf, coolant sensor, distributor all that came trough check engine light. and still the same and chugged gas like crazy and fans were o always. i swapped his ecu with mine n car ran perfect. so he got new ecu and here he is driving happily to this day.
it was a 96 galant 2.4 sohc with around 75,000 miles.
It could be the temp sensor. Have you had a diagnostic OBDII computer put on it? You should have your codes checked for easiest troubleshooting and diagnostics. Mabey you have a short in the wiring. Have you checked new maf with digital ohmeter to check wiring for resistance?