Rough idle, rough acceleration until warm. Changed plugs, rotor, distributor cap, coil and throttle position sensor. No codes indicating malfunction.
To much mileage is on it probley,.cuz thats what i have happening to my explorer because i hvae over 200000 miles on it
HMM, ya ont get a code unless ya figure out how to read the morse code values the OB1's use. Hmm sputters, and rough idle can be from poor air circulation, as well fuel delivery.
first air.......inspect and clean your vacuum hoses, cracks and leaks will most notably ruin your day. as well as the performance of your ride. check the seal for your intake hose around the throttle body, then clean the ports in and around your throttle body as well. Bad air supply, poor idle.. follow me..
second is fuel delivery. Your getting your gas, thats evident, but are you getting the required amount. hard to guage unless you disconnect a line and test its pressure. so lets USE the KISS method.. KEEPING IT SIMPLE STUPID
first, check and or replace your fuel pressure regulator...
second, inspect condition of your fuel filter.
thrid, and certianly the last thing, your fuel pump. go in that order. or your gonna seriously annoy yourself when a 5 dollar fix turns into a 3-400 dollar fix.
How many miles are on the jeep? there are 2 temp sensors one at the water neck and one at the back of the motor one feeds the computer and may be bad or unplugged and usually will not show a code
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Have you tested the ECT sensor and the MAF for proper signal return value, these will no set a code most times even when they have a problem.
already changed transmission filter and gasket, throttle position sensor and erg valve
car misses at idle and when going uphill. has codes po0172 and p0108. doesn't seem to happen until it's warmed up
my 1995 gmc idles rough i changed the map sensor and throttle position sensor and heat temp sensor still no change
''I have an acura cl 98' 4 cylinder, it stalls out (just dies) when idling or well driving every once in a while 'sporadically'. the car has no lack of performance and I had a diagnostic test done and nothing was wrong or malfunctioning according to it''. ??? some body recommended I change the cam posiyioning sensor ... and another person told me I was leaking oil on a sensor in/behind the distributor .
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