When switching to a JDM engine for a 98 prelude what would i need to change? i changed the fuel pump from the JDM engine to a USDM so that it can have the 2 missing sensors that the JDM engine does not have (OBD 1 to OBD 2). now my car wont start, any ideas?

 

did you buy a OBD1 or 2 motor?

 

bought OBD 1 engine

 

wouldnt you need obd2 engine?

 

Hmmm would he have to have bought a obd2 engine? Is there a way to convert it if he bought a obd1 engine?

 

It's safe to assume that you swapped over the oil pump from the usdm engine to the jdm engine that you bought, not the fuel pump. If you used your usdm intake manifold and your usdm distributor you should be good to go. There has to be something else going on. Have you checked for codes ?

 

yea i changed the oil pump not the fuel pump. typo

 

since the jdm does not have the TDC and CKP sensors in the oil pump like the usdm one does.

 

Check if your thermostat ground is properly hooked up. Have you checked for codes yet ?

 

Car turned on completly then shut off after 10 mins. Only codes were tranny codes. car wont completely turn on (it cranks and feels like its about to start up when i put spray Started fluid through the intake manifold but shuts off) electric and everything else works.

 

how is compression?? and are you getting good fuel pressure to engine??

 

havent checked compression. but i dont think i am getting fuel to the engine so i am going to check my fuel pump and fuel filter.

 

soudns like ignition module to me.

Are you sure you swapped all the right goodies over? There is much stuff that has to go form teh a4 to th h22a.

 

what main things would you recommend to check?