Ok so I recently purchased a 95 accord from my buddy. He had the car for a while it ran great until the camshaft broke on him. I told him I'd buy the car from him and i just replaced the head. Put everything back together tried to adjust the valves the best I could. It was a bit more complicated on the accord than my civic. And the timing belt as well with the balance shaft belt. Started right up but idles poorly. The car seems to me missfiring on cylinder 1 because I noticed my timing light didnt have a consistent flicker and sometimes it would even cut off for a second. I took it on the highway it ran a code 4. Went home adjusted some more things now it's a code 4 and 22. Any clue as to what I did wrong? What causes a code 4? Timing was excellent and even the marks lined up good for the ignition timing. Could the distributor just be bad? It ran fine when he had it before the camshaft broke.

 

Also it only runs a code when I get on it. And it's slow on acceleration

 

Oh and I did notice when the light gun did have a consistent flicker it ran smoothly

 

do a leakdown test? is the head rebuild? or just a junkyard head? valves might not be adjusted right, too tight and it will just hang open enough to let some compression out

 

5 MAP - manifold absolute pressure sensor
22 VTEC pressure valve
check them both

 

Yes the head is rebuilt. Has new valves springs and cam. I checked the spacings on the exhaust side this morning and they seemed perfect. It seems to me it's electrical. Is there a ground wire I missed? On my civic there's one on the thermostat housing. Where it that at on the accord?

 

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good luck

 

code 4 is crank position sensor in the distributor ...swap out the distributor

code 22 is vtec pressure switch ... check for any dents in the oil pan that could be restricting oil flow .. clean the vtec solenoid screen