|
| If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. |
|
|||||||
|
|
Thread Tools | Display Modes |
|
#1
November 7th 04, 05:40 PM
|
|||
|
|||
Please help w/ error codes 21 and 32
Pepito opined in news:2004110709445616807%josephamadeusNSPAM@mindsp ringcom:
> Yesterday I decided to check the computer for error codes after dealing > for weeks with rough iddle and poor gas milleage. I used an actron/// > scanner and performed a "key on engine running" test, the computer gave > me two error codes, 21 and 32. > > The book that came with the scanner describes the following... > > Error 21: Engine Coolant Temperature (ETC) sensor signal voltage: not > at normal operating temperature or loss of signal. > > Solution: Replace the ETC sensor? It has never been replaced. > > Error 32: EGR Valve Position (EVP) sensor or Pressure Feedback EGR > (PFE) sensor - signal voltage is below closed limit or has gone beyond > set limits. > or, > Problems with EGR valve controlling. > > Solution: Replace the EVP sensor? I replaced the EGR valve 2 months ago > and the iddle improved, finally noticed a change in the engine's rpms > when it was started cold till it reached normal temperature. the sensor > is the old one that came with the car. > > Thank you very much for your help. > Was the engine at normal operating temps when you ran the test? The ECT sensor is the two-wire at center base intake, under the gooseneck Hard to get to because of fuel rail. But you should have had either cold or hot start problems if the ECT is out of range.. You could just change both for drill... I suppose, but the ECT would really affect mileage more than the EGR, I would think. 
|
| Ads |
|
#2
November 7th 04, 06:38 PM
|
|||
|
|||
|
On 2004-11-07 12:40:56 -0500, Backyard Mechanic > said:
> Pepito opined in news:2004110709445616807%josephamadeusNSPAM@mindsp ringcom: > >> Yesterday I decided to check the computer for error codes after dealing >> for weeks with rough iddle and poor gas milleage. I used an actron/// >> scanner and performed a "key on engine running" test, the computer gave >> me two error codes, 21 and 32. >> >> The book that came with the scanner describes the following... >> >> Error 21: Engine Coolant Temperature (ETC) sensor signal voltage: not >> at normal operating temperature or loss of signal. >> >> Solution: Replace the ETC sensor? It has never been replaced. >> >> Error 32: EGR Valve Position (EVP) sensor or Pressure Feedback EGR >> (PFE) sensor - signal voltage is below closed limit or has gone beyond >> set limits. >> or, >> Problems with EGR valve controlling. >> >> Solution: Replace the EVP sensor? I replaced the EGR valve 2 months ago >> and the iddle improved, finally noticed a change in the engine's rpms >> when it was started cold till it reached normal temperature. the sensor >> is the old one that came with the car. >> >> Thank you very much for your help. >> > > Was the engine at normal operating temps when you ran the test? > > The ECT sensor is the two-wire at center base intake, under the > gooseneck Hard to get to because of fuel rail. > > But you should have had either cold or hot start problems if the ECT is > out of range.. > > > You could just change both for drill... I suppose, but the ECT would > really affect mileage more than the EGR, I would think. I thought it was the opposite, you must know better than I do. The engine was warm when I ran the test but it never shows the correct temperature. It always show to low. I do have starting problems, takes a little and a couple of tries to start the engine... -- 88' Mustang LX Convertible 2.3L
|
|
#3
November 7th 04, 07:21 PM
|
|||
|
|||
|
On 2004-11-07 13:38:10 -0500, Pepito > said:
> On 2004-11-07 12:40:56 -0500, Backyard Mechanic > said: > >> Pepito opined in news:2004110709445616807%josephamadeusNSPAM@mindsp ringcom: >> >>> Yesterday I decided to check the computer for error codes after dealing >>> for weeks with rough iddle and poor gas milleage. I used an actron/// >>> scanner and performed a "key on engine running" test, the computer gave >>> me two error codes, 21 and 32. >>> >>> The book that came with the scanner describes the following... >>> >>> Error 21: Engine Coolant Temperature (ETC) sensor signal voltage: not >>> at normal operating temperature or loss of signal. >>> >>> Solution: Replace the ETC sensor? It has never been replaced. >>> >>> Error 32: EGR Valve Position (EVP) sensor or Pressure Feedback EGR >>> (PFE) sensor - signal voltage is below closed limit or has gone beyond >>> set limits. >>> or, >>> Problems with EGR valve controlling. >>> >>> Solution: Replace the EVP sensor? I replaced the EGR valve 2 months ago >>> and the iddle improved, finally noticed a change in the engine's rpms >>> when it was started cold till it reached normal temperature. the sensor >>> is the old one that came with the car. >>> >>> Thank you very much for your help. >>> >> >> Was the engine at normal operating temps when you ran the test? >> >> The ECT sensor is the two-wire at center base intake, under the >> gooseneck Hard to get to because of fuel rail. >> >> But you should have had either cold or hot start problems if the ECT is >> out of range.. >> >> >> You could just change both for drill... I suppose, but the ECT would >> really affect mileage more than the EGR, I would think. > > I thought it was the opposite, you must know better than I do. The > engine was warm when I ran the test but it never shows the correct > temperature. It always show to low. I do have starting problems, takes > a little and a couple of tries to start the engine... Thanks a bunch BM, I took a look at a Chilton manual I have and it looks like the fault of poor mileage and rough idle is the ETC sensor I just can't figure out where it is located. There's no description in the book and I haven't had any look searching online, can you tell me more about its location? -- 88' Mustang LX Convertible 2.3L
|
|
#4
November 7th 04, 10:09 PM
|
|||
|
|||
|
In article <2004110714211916807%josephamadeusNSPAM@mindspring com>, Pepito
> wrote: > On 2004-11-07 13:38:10 -0500, Pepito > said: > > > On 2004-11-07 12:40:56 -0500, Backyard Mechanic > said: > > > >> Pepito opined in news:2004110709445616807%josephamadeusNSPAM@mindsp ringcom: > >> > >>> Yesterday I decided to check the computer for error codes after dealing > >>> for weeks with rough iddle and poor gas milleage. I used an actron/// > >>> scanner and performed a "key on engine running" test, the computer gave > >>> me two error codes, 21 and 32. > >>> > >>> The book that came with the scanner describes the following... > >>> > >>> Error 21: Engine Coolant Temperature (ETC) sensor signal voltage: not > >>> at normal operating temperature or loss of signal. > >>> > >>> Solution: Replace the ETC sensor? It has never been replaced. > >>> > >>> Error 32: EGR Valve Position (EVP) sensor or Pressure Feedback EGR > >>> (PFE) sensor - signal voltage is below closed limit or has gone beyond > >>> set limits. > >>> or, > >>> Problems with EGR valve controlling. > >>> > >>> Solution: Replace the EVP sensor? I replaced the EGR valve 2 months ago > >>> and the iddle improved, finally noticed a change in the engine's rpms > >>> when it was started cold till it reached normal temperature. the sensor > >>> is the old one that came with the car. > >>> > >>> Thank you very much for your help. > >>> > >> > >> Was the engine at normal operating temps when you ran the test? > >> > >> The ECT sensor is the two-wire at center base intake, under the > >> gooseneck Hard to get to because of fuel rail. > >> > >> But you should have had either cold or hot start problems if the ECT is > >> out of range.. > >> > >> > >> You could just change both for drill... I suppose, but the ECT would > >> really affect mileage more than the EGR, I would think. > > > > I thought it was the opposite, you must know better than I do. The > > engine was warm when I ran the test but it never shows the correct > > temperature. It always show to low. I do have starting problems, takes > > a little and a couple of tries to start the engine... > > Thanks a bunch BM, I took a look at a Chilton manual I have and it > looks like the fault of poor mileage and rough idle is the ETC sensor I > just can't figure out where it is located. There's no description in > the book and I haven't had any look searching online, can you tell me > more about its location? 93 documentation indicates sensor in R/H rear of engine, below the throttle body. Connector has grey and light green wires both with red traces. Your 88 may differ. -- Mike 93 Cobra
|
|
#5
November 7th 04, 10:33 PM
|
|||
|
|||
|
Pepito opined
> Thanks a bunch BM, I took a look at a Chilton manual I have and it > looks like the fault of poor mileage and rough idle is the ETC sensor I > just can't figure out where it is located. There's no description in > the book and I haven't had any look searching online, can you tell me > more about its location? There's a coolant passage from the head in the center of the lower part of the intake. It sits in there, as I said,VERY near the injector fuel rail. Wires in same harness as the injector wires. UNDER the upper intake gooseneck. This has NOTHING to do with the gauge, by the way. Which sensor is UNDER the lower intake and outside- and one wire opposed to ECT two-wire
|
|
#6
November 8th 04, 12:16 PM
|
|||
|
|||
|
|
|
#7
November 8th 04, 12:18 PM
|
|||
|
|||
|
On 2004-11-07 17:33:46 -0500, Backyard Mechanic > said:
> Pepito opined > >> Thanks a bunch BM, I took a look at a Chilton manual I have and it >> looks like the fault of poor mileage and rough idle is the ETC sensor I >> just can't figure out where it is located. There's no description in >> the book and I haven't had any look searching online, can you tell me >> more about its location? > > There's a coolant passage from the head in the center of the lower part > of the intake. It sits in there, as I said,VERY near the injector fuel > rail. Wires in same harness as the injector wires. > > UNDER the upper intake gooseneck. > This has NOTHING to do with the gauge, by the way. Which sensor is > UNDER the lower intake and outside- and one wire opposed to ECT > two-wire Thanks a bunch BM that really helps, I will take a look today and let you know later on what happened. -- 88' Mustang LX Convertible 2.3L
|
|
#8
November 8th 04, 09:18 PM
|
|||
|
|||
|
>>>
>> >> There's a coolant passage from the head in the center of the lower part >> of the intake. It sits in there, as I said,VERY near the injector fuel >> rail. Wires in same harness as the injector wires. >> >> UNDER the upper intake gooseneck. >> This has NOTHING to do with the gauge, by the way. Which sensor is >> UNDER the lower intake and outside- and one wire opposed to ECT >> two-wire > > Thanks a bunch BM that really helps, I will take a look today and let > you know later on what happened. -- 88' Mustang LX Convertible 2.3L I decided to buy both sensors but before replacing I ran the test again after the computer codes were cleared, there was only one code showing, code 32 so I decided to replace the EGR Valve Position Sensor (EVP) and leave the ECT alone for now. Ran the car a few miles and got the codes again, code 32 still there and the crappy idle too. I haven't noticed any improvement at all. Does this car has a Pressure Feedback EGR sensor? If so where is located in the engine and who sells it? Error 32 also points to this sensor and I haven't seen it for sell at the local autoparts for an 88'...
|
|
#9
November 8th 04, 09:55 PM
|
|||
|
|||
|
On 2004-11-08 16:18:02 -0500, Pepito > said:
>>>> >>> >>> There's a coolant passage from the head in the center of the lower part >>> of the intake. It sits in there, as I said,VERY near the injector fuel >>> rail. Wires in same harness as the injector wires. >>> >>> UNDER the upper intake gooseneck. >>> This has NOTHING to do with the gauge, by the way. Which sensor is >>> UNDER the lower intake and outside- and one wire opposed to ECT >>> two-wire >> >> Thanks a bunch BM that really helps, I will take a look today and let >> you know later on what happened. More updates, I ran the test this time "key on engine running" and it shows the same codes as before, 21 and 32. Does any one know the "surgery" steps to replace the ETC sensor? Looks kinda hard to get there.
|
|
#10
November 8th 04, 10:11 PM
|
|||
|
|||
|
In article <2004110816180250073%josephamadeusNSPAM@mindspring com>, Pepito
> wrote: > >>> > >> > >> There's a coolant passage from the head in the center of the lower part > >> of the intake. It sits in there, as I said,VERY near the injector fuel > >> rail. Wires in same harness as the injector wires. > >> > >> UNDER the upper intake gooseneck. > >> This has NOTHING to do with the gauge, by the way. Which sensor is > >> UNDER the lower intake and outside- and one wire opposed to ECT > >> two-wire > > > > Thanks a bunch BM that really helps, I will take a look today and let > > you know later on what happened. > > > -- > 88' Mustang LX Convertible 2.3L > > I decided to buy both sensors but before replacing I ran the test again > after the computer codes were cleared, there was only one code showing, > code 32 so I decided to replace the EGR Valve Position Sensor (EVP) and > leave the ECT alone for now. Ran the car a few miles and got the codes > again, code 32 still there and the crappy idle too. I haven't noticed > any improvement at all. > > Does this car has a Pressure Feedback EGR sensor? If so where is > located in the engine and who sells it? Error 32 also points to this > sensor and I haven't seen it for sell at the local autoparts for an > 88'... PFE is a different type of feedback used on EGR systems. Yours uses EVP feedback. Are you getting a solid check engine light or random illumination??? -- Mike 93 Cobra
|
| Thread Tools | |
| Display Modes | |
|
|
Linear Mode
