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ihatemyprelude · 07-19-2008, 11:55 PM

Ok.. iam totaly new to the hole.. tuner stuff, just got a 92 prelude a week ago. and it is having a idle problme.. 700rpm - 1700rpm I got a new ( ICV) off my friend and it read 8-12ooms so thats not the problem. and i bleed the cooling system, that didnt work.. there are no vacume leaks. I was thinking the code for Map sensor could be the problme? just want to make sure befor i spend alot of money..

and if any one can help me with the other 3 codes ( 9, 2, and 4 ) that would be great, thank you.

3 MAP - manifold absolute pressure sensor
9 CYP - cylinder sensor
2 O2B - Oxygen sensor #2
4 CKP - crank position sensor

3- Accord Civic CRV CRX Del Sol Odyssey Prelude
85-98 86-98 97-98 85-91 93-97 95-98 85-98
MAP Sensor (Manifold Absolute Pressure)
defective circuit or unplugged / defective sensor

9*- Accord Civic CRV CRX Del Sol Odyssey Prelude
85-98** 86-98 97-98 85-91 93-97 95-98 85-98
CYP Sensor (Cylinder)
defective circuit or unplugged / defective sensor
* not a valid code for any throttle body injection Hondas
** not a valid code for V-6 engines

2- Accord Civic CRV CRX Del Sol Odyssey Prelude
85-89 86-87 n/a 85-87 85-91 n/a n/a
Oxygen Sensor "B"
defective circuit or unplugged / defective sensor

4- Accord Civic CRV CRX Del Sol Odyssey Prelude
90-98 88-98 97-98 88-91 93-97 95-98 85-98
CKP Sensor (Crankshaft Position Sensor)
defective circuit or unplugged / defective sensor

ihatemyprelude · 07-20-2008, 12:40 AM

ok now, i reset my ECU by pulling the ( clock / radio fuse ) and now iam geting ( code 9 and 2 )

i reset it and took it for a ride about 5 miles so that map sensor and crank sensor code would show up.

BrutalB83 · 07-20-2008, 03:41 AM

What's so hard to understand about this? Just follow the codes. You probably need a new O2 sensor...

ihatemyprelude · 07-20-2008, 10:17 AM

ya but would a O2 sensor, make my car rev from 700-1700 then back down when ever i idle?

Ethan · 07-20-2008, 12:16 PM

Get a new o2 censor. There like 60 bucks!

Z6CRX · 07-20-2008, 12:56 PM

also with that number of codes, double check the wires. Could be someones hack job. Especially since you bought it that way.

Ethan · 07-20-2008, 08:04 PM

^agree!

Luis998 · 07-20-2008, 09:07 PM

Quote:

Originally Posted by ihatemyprelude

ya but would a O2 sensor, make my car rev from 700-1700 then back down when ever i idle?

A bad TPS will.

07-19-2008, 11:55 PM	#1
ihatemyprelude Junior Member Join Date: Jul 2008 Age: 20 Posts: 5 iTrader: 0 / 0% Rep Power: 0	ECU codes need help. Ok.. iam totaly new to the hole.. tuner stuff, just got a 92 prelude a week ago. and it is having a idle problme.. 700rpm - 1700rpm I got a new ( ICV) off my friend and it read 8-12ooms so thats not the problem. and i bleed the cooling system, that didnt work.. there are no vacume leaks. I was thinking the code for Map sensor could be the problme? just want to make sure befor i spend alot of money.. and if any one can help me with the other 3 codes ( 9, 2, and 4 ) that would be great, thank you. 3 MAP - manifold absolute pressure sensor 9 CYP - cylinder sensor 2 O2B - Oxygen sensor #2 4 CKP - crank position sensor 3- Accord Civic CRV CRX Del Sol Odyssey Prelude 85-98 86-98 97-98 85-91 93-97 95-98 85-98 MAP Sensor (Manifold Absolute Pressure) defective circuit or unplugged / defective sensor 9- Accord Civic CRV CRX Del Sol Odyssey Prelude 85-98* 86-98 97-98 85-91 93-97 95-98 85-98 CYP Sensor (Cylinder) defective circuit or unplugged / defective sensor * not a valid code for any throttle body injection Hondas ** not a valid code for V-6 engines 2- Accord Civic CRV CRX Del Sol Odyssey Prelude 85-89 86-87 n/a 85-87 85-91 n/a n/a Oxygen Sensor "B" defective circuit or unplugged / defective sensor 4- Accord Civic CRV CRX Del Sol Odyssey Prelude 90-98 88-98 97-98 88-91 93-97 95-98 85-98 CKP Sensor (Crankshaft Position Sensor) defective circuit or unplugged / defective sensor

07-20-2008, 03:41 AM	#3
BrutalB83 Crusher of Noob Ambitions Join Date: Jun 2006 Location: Oxford, MI Age: 25 Posts: 6,410 iTrader: 0 / 0% Ride: 97 Integra LS Coupe Rep Power: 134	What's so hard to understand about this? Just follow the codes. You probably need a new O2 sensor... __________________ If you find something I say helpful, please rep it up! Also, DO NOT PM me with tech questions! Use the forums so we can all benefit from the answers. I will NOT respond to tech-related PMs... 97 Integra LS Coupe: AEM Intake/Megan Header/Magnaflow Exhaust Tokico Shocks & Springs Megan Strut Braces & H-Brace 98-01 Conversion (Front/Rear Bumpers & "Mesh" Alloys)

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07-20-2008, 12:40 AM	#2
ihatemyprelude Junior Member Join Date: Jul 2008 Age: 20 Posts: 5 iTrader: 0 / 0% Rep Power: 0	ok now, i reset my ECU by pulling the ( clock / radio fuse ) and now iam geting ( code 9 and 2 ) i reset it and took it for a ride about 5 miles so that map sensor and crank sensor code would show up.

07-20-2008, 10:17 AM	#4
ihatemyprelude Junior Member Join Date: Jul 2008 Age: 20 Posts: 5 iTrader: 0 / 0% Rep Power: 0	ya but would a O2 sensor, make my car rev from 700-1700 then back down when ever i idle?

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ECU codes need help.