Starting rough. on 2002 Nissan Altima

The check engine light came and the code p303 I change oil ,spark plugs.The light went off but the car is starting rough .Not a clue what it could be.

by in Fair Oaks, CA on June 24, 2010
1 answer 1 comment
ANSWER by on June 24, 2010
crank sensor is common failure for hard starting. did you check the coils??? a real diag would have pinned down your problem. you may have damaged the cat conveter with the engine missfires. Roy
COMMENT by on December 07, 2010
payed over 300 for a diag and i got it could be the fuel injectors but gess what its not know I have a different code p300 .
Related Items:
The camshaft driven distributor can leak oil and cause a malfunction of the crankshaft position...
Failure of the ignition power transistor can cause a "crank-no start" condition.
An engine vacuum leak from the  intake manifold gasket may cause the engine to misfire or ...
My vehicle has been having rough or brief "no start" conditions the last few weeks. There are times when it will start up right away normally, other times when it will hesitate then start then ther...
Engine light was on and pulled 0300 code misfire checked coils and they good along with new plugs. Light is off and has yet to come back on but it still idles rough for a minute when started and at...

Related Content