1993 P-UP ENGINE MISS-2.4 4 cyl. oh ya, the check engine lite has never come on eith

76280z · Jun 7th, 2004, 10:29 PM

hello,i have a '93 nissan p-up that has developed an engine miss durring acceleration. it has run FLAWLESSLY since new ,this is the FIRST problem i have had with it. now has 132k . i installed cap,rotor & plugs and it ran fine for 3 days ,problem came back so i retrived codes of45-injector leak,12 air flow meter,also 23,34,51 which are not in my chiltons. anyone know of resistance or voltage values of afm so i can test it? it has 3 pins. oh ya, the 'check engine lite has never come on. i pulled fuel rail/injectors and they are NOT leaking.

**88pathoffroad** · Jun 8th, 2004, 03:12 PM

http://wd21forums.damagedreality.com...topic.php?t=16

The 23, 24, and 51 codes are: Idle Switch, Throttle Valve Switch, and Injector Circuit. I'd say there was something wrong with the injection system if it's throwing the injector codes twice, even tho it doesn't look like it's leaking to you.

76280z · Jun 8th, 2004, 04:47 PM

Quote:

Originally Posted by 88pathoffroad

http://wd21forums.damagedreality.com...topic.php?t=16

The 23, 24, and 51 codes are: Idle Switch, Throttle Valve Switch, and Injector Circuit. I'd say there was something wrong with the injection system if it's throwing the injector codes twice, even tho it doesn't look like it's leaking to you.

thanks , 88pathoffroad