Rep Power: 0

ok so i got all 4 cyc. misfiring along with a rough idle. Also has a rough time starting unless i give it gas and sometimes hesitates acceleration when idling about 700rpm.

so far i have replaced:
the Cat. converter
all plugs
all coils (6 months ago)
TDC Sensor
MAP Sensor
Reman the head
Timing belt (8 months ago)
Water pump (8 months ago)
New Battery
IACV cleaned

Any ideas where else to look would be helpful

 
Rep Power: 0

Hi, what engine do you have?

Does it idle rough from start? If it were a D17A2 you might want to look at the EGR vavle.

Throwing the MIL and any codes? Have you done a compression check?

 
Rep Power: 188

Fuel delivery problem? Waiting for more info

 
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Yeah its the D17A2 so i'll look into that.
codes are P300-304 Random misfire ....misfire cyc 1.2.3.4.

 
Rep Power: 0

I actually also replaced the fuel pump 5 months ago however i did not check the rest of the fuel system.

it does run fairly smooth tho at speed and higher revs (like 2000+)