Did it blow the spark plug out of cylinder 3 ?
Code 303 is for a loss of power from cylinder 3, code 1131 is for a problem with the O2 sensor in bank one and code 1151 is for the same problem in bank two. Codes 1131 and 1151 could be caused by the problem source for code 303.
Yes, it was dark out so I only glanced over the engine bay and didn't see any vacuum leaks that were obvious. But yes, today when I went out and pulled off the cold air intake under it was pieces of the boot for the coil for cylinder 3. It looks like the spark plug loosened and shot out into the coil. Now I just need to figure out how to get the new spark plug in. The threads are messed end un at the beginning , it turns twice the just stops. I don't want to force it to cause damage to the block. But I'm not sure how to get the new one in unless I get a tap. Any ideas?
YOu can try a thread cleaning tool available at most auto parts stores. There is a big risk of damaging the threads so be careful.
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SOURCE: 98 E-250 Rough Idle; codes p0156,p1131,p1151,p0301,p0171,p0174+
po301 thru po306 all misfire codes cylinder 1-6 remove plugs and replace them..... set the plug gap first
i suggest u replace the wires also if they never been replaced all these misfire codes can set the others and one is for the oxygen sensor ( 02s or HO2S) CIRCUT MALFUNCTION do u know how to check wireing systems
do the tune up plugs (set gap) .052-.056 change the fuel filter also. clear the codes hows it run
this info is for 98 E-250 4.2Litre
what engine do u have 4.2L or 4.6L i know it is a v-6 by the codes
SOURCE: 2002 Ford Windstar Error Code P1131 And P1151
those two codes are for the o2 sensors. both are the upstream sensors on the front and rear banks. so they are desinagted bank 1 sensor 1 and bank 2 sensor 1. them most common cause for this is faulty o2sensors , bad gas and of a poor running engine. so if your car runs good (no misfire) and gas is ok then replace the o2sensor witch is the very most common cause.
Testimonial: " Help With Problem But Where Are These O2 Sensor"
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