Question about 1981 Chevrolet Corvette

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Power seat EGR

I have a power seat that will not move, any ideas. thanks 91 vette also a code 32 egr light best place to start?

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  • Richard Scordino May 11, 2010

    Start by checking power to the seat harness. check plug ends for corrosion, check circuit breaker etc. Remove egr valve and clean it with carb cleaner make sure passages to and from the valve are open and that valve is getting vacuum signal. You will need a manual to go further.

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1981 corvette no power to the power seat need location of the fuse

Posted on Jul 31, 2009

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Hi there, I have a town and country 2005 and the engine light come up. p0406. I change the valve and I still getting the light. Any ideas what to change next?


P0406 Chrysler - Exhaust Gas Recirculation Position Sensor Circuit High
Possible Causes:
- Faulty EGR volume control solenoid valve
- Carbon built up on EGR valve
- EGR volume control solenoid valve harness is open or shorted
- EGR volume control solenoid valve circuit poor electrical connection
- Faulty EGR temperature sensor and circuit

Did you replace the EGR valve, or the volume control solenoid valve?

Oct 02, 2015 | Cars & Trucks

1 Answer

Location of EGR valve and symptoms of bad valve seals


you are right posible bad egr valve or you have carbon bild in the egr system and when came loose block the seat at the egr valve seat instal new egr valve with speciar gasket with screen an posible you save a lot

Sep 23, 2014 | Cars & Trucks

1 Answer

Engine light coming on code p1400


A code of p1400 means that there is an EGR fault in the egr system.These systems are basic and contain most of the same parts.These parts are as follows An EGR valve,Egr valve gasket and an ,Egr valve to manifold tube.I would take a look at the gaskets for the manifold tubes and the EGR valve.I cant tell you where its at without knowing the year ,model,and engine size.But with the information given thats the best I can do for you but this gives you some idea as to where to start.

Feb 04, 2011 | Ford F-150 Cars & Trucks

1 Answer

Has low power, surges @ cruizing speed, rough idle (code 32)


You can remove the egr and see if it has been sealing,and if it still moves.

Jan 29, 2010 | 1993 GMC Sonoma Club

1 Answer

Engine check lamp light for fey seconds. Error code 32 is diplayed. Jeep cherokee 2.5td 1995.


Review the correct year for Error Code 32:
32 (1984 only) power loss/limited lamp or circuit
OR
32 EGR gases not working (1988) - check vacuum, valve
OR
32 (1990-92) computer didn’t see change in air/’fuel ratio when EGR activated - check valve, vacuum lines, and EGR electrical

Hope helped (remember rated this help).

Oct 20, 2009 | 1995 Jeep Cherokee

1 Answer

CAR WONT START,OBD SHOWED EGR AND MAF SENSOR


well the egr could be stuck open acting like a vacum leak,,,and causing the car to stall,,,you need a new egr,,,,check the wires and if any vacum hoses that go to it,to make sure they are good and connected first,if so replace the egr,,,,it could be false dtc for MAF sensor,,,

Oct 14, 2009 | Pontiac Firebird Cars & Trucks

1 Answer

Ecm codes 32 & 53


Problem Description: Code 32 means that the EGR diagnostic switch was not detected closed under the following conditions:


  • Coolant temperature greater than 80 C (176 F).
  • EGR duty cycle commanded by the ECM is greater than 50%.
  • Manifold pressure less than 25 kPa, (7" vacuum).
  • All conditions above must be met for about 8 seconds.


Diagnostic Aids: A Scantool can be used to check the diagnostic switch circuit. The Scantool should display "on" when vacuum is applied to the diagnostic switch. The switch should also be indicated as being closed whenever the ECM is commanding an EGR duty cycle of greater than 50%. EGR duty cycle can also be monitored by a Scantool.



"Scan" Diagnostics: Before using this test, check for ported vacuum to EGR solenoid, also check hoses for leaks or restrictions. There should be at least 7"hg vacuum at 2000 rpm.
Disconnect EGR solenoid vacuum harness. Rotate harness and reinstall only the EGR valve side. Ignition on, engine stopped. Install a hand held vacuum pump with gauge to mainfold side of EGR solenoid. Apply vacuum and observe EGR valve, the valve should not move.
Valve does not move Valve moves

Apr 28, 2009 | Oldsmobile Cutlass Supreme Cars & Trucks

1 Answer

Flashes codes 12 and 32 intermittently after running rough


the 12 code is the start for the codes to be read code 32 is a map sensor code but does not mean that , i have a 91 sonoma and same codes turns out it wes my intake gaskets

Aug 18, 2008 | 1991 GMC Sonoma

1 Answer

Hard Start with trouble code 32


You should have your battery checked, it may be getting old and doesn;t have as much cold cranking power, I don;t think code 32 has anything to do with the slow cranking when cold.


Trouble Code 32 indicates that the Exhaust Gas Recirculation (EGR) valve diaphragm is not where the ECM expects it to be. The ECM controls the diaphragm with a Pulse-Width Modulated (PWM) waveform. The EGR has a vacuum bleed solenoid that adjusts the vacuum applied to the EGR valve based on this pulse width. If there is sufficient vacuum at the EGR valve, a switch closes to send a signal back to the ECM. The absence of this signal is the bases for code 32.
The conditions for setting this code are:
  • no vacuum to EGR (switch open), and
  • Code 33 or 34 (MAF error) is not present, and
  • engine running and LV8 is less than 100, and
  • coolant temperature is > 118 deg F (48 deg C), and
  • the EGR solenoid duty cycle is < 65%, and
  • the above conditions are met for more than 25 seconds


Typical causes for this code include:
1) Faulty EGR valve-to-ECM connection
2) Plugged EGR passages and/or sticking EGR valve
3) Defective EGR valve
4) Defective ECM

May 25, 2008 | 1994 Chevrolet G20

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