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P0488 EGR TPS Control CKTdodge caliber problem

How to undertant where exactly is the problem

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Posted on Jan 02, 2017

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nobody322
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SOURCE: Are the test something I can do on P0488 EGR valve .

the 2.0L engine, in uSA? (6 engine world wide even k11/12)

egr tests and steps, and cleaning or extensive
the valve must not stick
the total path not blocked. end to end.

488s may mean just that.
it's a 5 wire motor driven EGR valve
clean it first
some will reset and cycle key on, off.
use that trick to clean it, and see if it works.


many newer cars the EGR has a read back device, direct. it has variable resistor in the main valve, that tells the PCM that the valve moved to the correct spot.
if this fails, the valve is stuck.
reading up on 488s, tells you what the test does.
i dont have that book,
if the motor works and is not stuck then the path is blocked,

the exhaust path, this can be a small horror to cure.
once you do one, then 2nd will not be fun.
after you look like a carbon covered monkey.
Some take a full weekend to do at home.
see these 5 pins on back of main egr.
there is a motor there, but one pin might be
egr feed back sensor. not sure.
, one way to test it. is to unscrew it.
and clean it then cycle the key connected
and look inside to see if it moves inside.
the ECU resets it and at key on, you can watch it.
if it seems to work ok,, the path is blocked, sorry

53d5bf36-5d5b-4bb4-811a-632e0bfd65a1.jpg

Posted on May 29, 2016

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1 Answer

Are the test something I can do on P0488 EGR valve .


the 2.0L engine, in uSA? (6 engine world wide even k11/12)

egr tests and steps, and cleaning or extensive
the valve must not stick
the total path not blocked. end to end.

488s may mean just that.
it's a 5 wire motor driven EGR valve
clean it first
some will reset and cycle key on, off.
use that trick to clean it, and see if it works.


many newer cars the EGR has a read back device, direct. it has variable resistor in the main valve, that tells the PCM that the valve moved to the correct spot.
if this fails, the valve is stuck.
reading up on 488s, tells you what the test does.
i dont have that book,
if the motor works and is not stuck then the path is blocked,

the exhaust path, this can be a small horror to cure.
once you do one, then 2nd will not be fun.
after you look like a carbon covered monkey.
Some take a full weekend to do at home.
see these 5 pins on back of main egr.
there is a motor there, but one pin might be
egr feed back sensor. not sure.
, one way to test it. is to unscrew it.
and clean it then cycle the key connected
and look inside to see if it moves inside.
the ECU resets it and at key on, you can watch it.
if it seems to work ok,, the path is blocked, sorry

53d5bf36-5d5b-4bb4-811a-632e0bfd65a1.jpg

Apr 28, 2016 | 2004 Suzuki Forenza

1 Answer

What are the probable causes of DTC P0488?


The most likely cause is that the EGR valve position sensor is defective. But testing is required to confirm this.

Apr 28, 2016 | 2004 Suzuki Forenza

1 Answer

It reads DTC P0488, EGR throttle control circuit. Should I replace the EGR valve?


2005 Frenza, Daewoo wonder box, and no engine of the 5 stated
Deawoo can sell them in usa so suzuki tried and failed too.... sad.
now that is a challenge. (like doing a cross word puzzle, cut in half.)
no, you do what the SUzuki fsm states.
the factory service manual.
there are test to do, the ECU does not have AI yet.
it takes a tech, to do test to find cause, a live human still.

the key to codes is to learn what the test does first
and how it fails, what did the ECU see at the failure.
this is called critical thinking, knowing that some tests
that failed are really caused by the other failures.

my online source fails to list 488s. sorry.
if that really is a EGR test.
there are many ways it can be done,
vacuum drop ( can be other failures disturbing vacuum and egr is ok)
EGR pot resistor, read back failed.?
EGR coils shorted or open. checks.
EGR map sensor , reads wrong. (lots of causes and tests)
or the EGR paths are blocked the exhaust path..

so read the manual, i dont have,,im not popping 4bucks for you.

https://suzukipitstopplus.com/Category/3-suzuki-service-manuals.aspx

even bouncing vacuum can make EGR fail.
lots of causes.
if i had the FSM print out on 488s, i can state all tests to find true cause.

Apr 21, 2015 | 2005 Suzuki Forenza

1 Answer

07 dodge caliber throttle control


Usually replacing the TPS - throttle position sensor will get rid of this issue.

Mar 31, 2014 | 2007 Dodge Caliber SXT Sport Hatchback

1 Answer

2005 suzuki forenza code P0488


P0488 Exhaust Gas Recirculation Throttle Position Control Range/Performance
EGR failure.
clean it and test it.

Mar 22, 2013 | Suzuki Forenza Cars & Trucks

1 Answer

P0488 fault code on a 2008 outlander


just had this on my 2007 2.0 did outlander, replaced the egr throttle body which cleared fault code p0487 which i also had, but p0488 was a little more tricky to find out what it was, after searching the internet i checked the fuses, sure enough a 15a fuse had blown, about 6th from the right as you look at the fuse box with an engine symbol identifyng it. changed the fuse cleared the fault code job done, it seems a broken egr throttle body will blow this fuse according to my research. hope this helps someone.

Jul 10, 2012 | Mitsubishi Cars & Trucks

1 Answer

2005 Suzuki Forenza, check engine light is on with fault codes reading P0488 and P0496. Can't get a good explanation of what the cause may be. Any insight would be greatly appreciated.


code P0488 exhaust gas recirculation closed valve pintle error ( EGR Valve ) most likely replace the valve.

code P0496 evaporative emission system continuous purge flow. could be many things, Gas cap, purge valve , purge canister, probably need to have this one check by the dealer.

Jul 01, 2011 | 2005 Suzuki Forenza

1 Answer

Where is the egr valve on a dodge caliber 2004 2.0d


2007? it really doesnt have one. its a egr assmbly but no valve you can service.

Oct 09, 2009 | 2008 Dodge Caliber

1 Answer

Services codes 31 and 63 come up when getting computer read


31 canister or egr valve control system,63 throttle position sensor or circuit,for egr inspect visually hoses elect. plug at egr solenoids after that you might want to buy a repair manual because theres quite a few test to do.for tps check unplug connector at sensor connect 1probe of dig.ohmmeter to center terminal the other on either side move throttle slowly,resistance should vary slowly,if its erratic or none change tps ,voltage at plug not sure,think its 5vlt

Jan 31, 2009 | 1992 Mercury Topaz

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