Ok so after going through hell replacing my fuel system, my car deceides to work for about 4 days and then takes a dump. The car will crank but it won't start. The fuel pump primes, the lines have pressure, and if you spray TB cleaner in it, we can get it to start. The injectors can be forced on manualy, the positive side of the injector has power. The negative will pulse but only at 1.64 volts, not enough to trigger them. So I think my car sucks, any help? I give up.

 

anyone? oh and the grounds are all find

 

anyone wanna at least make something up

 

What kind of car? What parts of fuel system did you replace?

 

Try testing a good knowinjector resistor box, that could be your problem.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bandit74 &raquo;</TD></TR><TR><TD CLASS="quote">What kind of car? What parts of fuel system did you replace?</TD></TR></TABLE>

a 88 CRX Si with a B16 swap. Replaced the fuel pump, injectors, plugs, plug wires, cap, rotor, blah blah. Before it would run horrible but still run. Now it ran fine for a few days. It started under revving and the what not and now it won't start. The injectors won't get enough voltage to fire. Trying a new ECU 2night.

 

If you diagnose the ECU as the problem, you should ask yourself what killed the first ECU. Honda ECUs rarely fail unless provoked.

 

measure both sides of injectors voltage w/ ignition on not cranking.

-Dustin

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DaX &raquo;</TD></TR><TR><TD CLASS="quote">Honda ECUs rarely fail unless provoked.</TD></TR></TABLE>

Dis b true. If you open it, you might be able to see fried injetor drivers. Do you have the correct injectors for the ecu?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DaX &raquo;</TD></TR><TR><TD CLASS="quote">If you diagnose the ECU as the problem, you should ask yourself what killed the first ECU. Honda ECUs rarely fail unless provoked.</TD></TR></TABLE>

nope put a new ECU in it and that biotch still doens't crankkkkkk

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by krustindumm &raquo;</TD></TR><TR><TD CLASS="quote">measure both sides of injectors voltage w/ ignition on not cranking.

-Dustin</TD></TR></TABLE>


postive had 12. something volts and negative read whatever it was suppose to put out............I give up.

 

Ok, take your distributor cap off and make sure the little screw holding the rotor in place hasnt come loose. Happened to me once and after checking every wire in the car, finally found the problem. It seems to be common.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by stealth civic &raquo;</TD></TR><TR><TD CLASS="quote">Ok, take your distributor cap off and make sure the little screw holding the rotor in place hasnt come loose. Happened to me once and after checking every wire in the car, finally found the problem. It seems to be common.</TD></TR></TABLE>

was all over that one from another thread I read. Thanks though.

 

main relay, injector resistor (hardly ever fails.) replace the main relay first.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bernie’sb16crx &raquo;</TD></TR><TR><TD CLASS="quote">main relay, injector resistor (hardly ever fails.) replace the main relay first.</TD></TR></TABLE>

no and no.......

relay is fine and injector resistor is fine.

Thanks though.

 

huh, kinda wierd. but anyway good luck