Trafficlightguy

swapped out the engine with the same type original harness

check engine on came new knock sensor oil pressure sender installed,

autozone pulled p0325,p0505, p0171,p0174,p0170

did the battery off reset and the 7.5 fuse reset at idle its fine but soon after driving it pops on

any ideas

tony_2018

Whats your setup?

Trafficlightguy

it is all stock and manual transmission aftermarket short cold air intake

NotARaCist

iTrader: (1)

Rules, Thread Titles, Car Information, Searching, Trial Users, and Picture Posting

Read that, try again. The rules are rules, not general guidelines - they aren't optional.

doctorake

Can you be any more vague about the car?

Former User

This^

Post car information. It's required for ALL tech threads.

After the ECU reset, did all the codes return?

Trafficlightguy

It's a 1996 civicEX d16y8 manual trans swap was the same block with the using the original
Intake, with all the original injector, it has a new timing belt water and oil pump and knock sensor

Former User

P0174 is not a 96-00 Honda Civic code.

P0171 indicates the engine is running lean or there's an exhaust leak.

P0325 begs the question of whether the engine has a knock sensor and whether its wire is connected to the ECU.

P0505 indicates you have an idle problem. Describe it.

Trafficlightguy

Yes it has a knock sensor and yes it wired to the efi

The idle stay around 1500 rpm and sometimes drops to 1000 this is when the cars at operating temp

I cleared the ecu again and I went to a different vatozone and the only code was p0325

Now how accurate are these readers, like the cheap ones the sell and use w