Question about 1989 Cadillac Seville

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How do I Diagnose a cranking problem with the in-dash diagnostic center

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What is the problem , I have one of these and a service manual? Reply

Posted on Oct 24, 2010

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2004 Mountaineer no start no crank? Battery, starter, fuses, relays all good. No code errors. PATS problem. Original keys&fobs all good even reset manually and good. All dash lights functions ok.


. quick flashing when ? when trying to start the vehicle ? If yes you need to have it checked for codes . Do you know what DTC'S - diagnostic trouble codes are . If that light is flashing while trying to start the vehicle codes are present in the module that controls PATS . Instead of guessing have towed to a qualified repair shop . Because you have no idea how to diagnose this system .

Dec 28, 2016 | 2004 Mercury Mountaineer

1 Answer

2009 Cadillac dts cracks but won't start


Cranks but won't start , cracks ! that's funny ,sorry ! Are there any lights lit on the dash , SECURITY etc.....
Engine Cranks But Does Not Run
Circuit/System Description
This Engine Cranks but Does Not Run is an organized approach to identify a condition which causes the engine to crank but not start. This diagnostic directs the technician to the appropriate system diagnosis.
This diagnostic assumes the system voltage levels are adequate for starter motor operation. Refer to Battery Inspection/Test , and Engine Cranks Slowly . Fuel level and fuel quality should be determined for correct diagnosis.
Special Tools ?€¢
CH-48027 Digital Pressure Gage


?€¢
J 26792 HEI Spark Tester


Crank the engine for up to 30 seconds. Observe the Engine DTC information with a scan tool.
?‡'
If any of the following DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle to diagnose those DTCs P0201-P0208, P0230, P0335, P0336, P0340, P0403, P0404, P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, P0641, P0651, P0685, P0689, P0690, P1516, P2610.

Ignition OFF for 90 seconds, determine the current vehicle testing altitude. Ignition ON, observe the scan tool MAP Sensor parameter. Compare the parameter to the Altitude Versus Barometric Pressure table. The MAP sensor pressure parameter should be within the specified range indicated in the table.
?‡'
If the reading is not correct for your altitude, diagnose the MAP sensor. Refer to DTC P0106 .

Install a J 26792 . Crank the engine for 15 seconds. Spark should be observed from the Spark Tester.
?‡'
If spark is not observed refer to Electronic Ignition (EI) System Diagnosis .

Important: Additional DTCs may set when using the fuel pump output control.
Command the fuel pump ON and OFF. Fuel pump should energize when commanded ON and De-energize when commanded OFF
?‡'
If the fuel pump does not respond refer to Fuel System Diagnosis .

Turn OFF the ignition. Install the CH-48027 . Turn ON the ignition and command the fuel pump ON while observing the CH-48027 . Refer to Fuel Pressure Gage Installation and Removal . The fuel pressure should be between 384-425 kPa (55-61 psi).
?‡'
If the fuel pressure is not within 384-425 kPa (55-61 psi), refer to Fuel System Diagnosis .

Inspect for the following conditions:
?€¢
Compare the actual engine coolant temperature to the ECT parameter.


?€¢
Air filter and air intake system for restrictions and obstructions


?€¢
Test the fuel for contamination. Refer to Alcohol/Contaminants-in-Fuel Diagnosis .


?€¢
Inspect the spark plugs. Refer to Spark Plug Inspection .


?€¢
Test the exhaust system for restrictions. Refer to Restricted Exhaust .


?€¢
Engine mechanical conditions such as worn timing chain gears, low compression, etc.--Refer to Engine Compression Test .

Sep 14, 2015 | Cadillac Cars & Trucks

1 Answer

Where can I find the diagnostic port for honda crv 1997?


THE 97 HONDA CRV DIAGNOSTIC HOOKUP IS UNDER LOWER CENTER CONSOLE,UNDER PLASTIC COVER,RIGHT SIDE CENTER.IT'S LIKE AN INCH OR TWO OFF THE FLOOR.I HAVE SAME VEHICLE.

Jul 01, 2014 | 1997 Honda CR-V

1 Answer

2002 jeep grand cherokee diagnostic trouble code P 0320? how do i repair?


No Crank Reference Signal at PCM No reference signal (crank-shaft position sensor) detected during engine cranking. Use this youtube step-by-step to fix it. How to diagnose P0320 crankshaft position sensor circuit failure

May 01, 2014 | 2002 Jeep Grand Cherokee

1 Answer

No crank no start


and try to diagnose the ignotion.

obd365

Dec 05, 2013 | 2004 Dodge Stratus

1 Answer

Antitheft service system comes on the temp or gas gauges don't work what do I need to do to fix this


This can be very difficult to diagnose. The first thing you need is a factory scan tool capable of reading diagnostic data from the BCM and Dash cluster. I seriously doubt this is something you can diagnose yourself.

Aug 13, 2013 | 2005 Cadillac CTS

1 Answer

My 2004 lincoln ls air conditioner is blowing hot air. The ac filter light is on and so is the check engine light. Please help. What could be the problem? Does the system just need to be charged?


Your issues can not be answered easily or definitively, as the LS is very complex and all electronic.
I would need the stored codes,that set the check light (MIL Light)
You can cycle the right dash display to ACFilter and Reset,with the top row of buttons,in center of dash. There is no sensor on the Cabin Filter. All the dash displays, are just reminders,you can set any way you want, % wise.

Possible issues--Fuses
-- Coolant control valve
--DATC module

You will need a really good Technician,not a general mechanic, to diagnose your problem
You need to put a professional scanner on it, to start any diagnostic work



















May 19, 2010 | 2004 Lincoln LS

1 Answer

Crank shaft sensor problem The car just stop running and wont start again trying to trun over so check diaoncis it said prob with the above could this be whatswrong and if how do change the sensdor


Tell you what... if you really need to fix this problem, take it (tow it) to the nearest Hyundai Service Center and pay their diagnostic fee. They will diagnose the problem and give you an estimate of repairs (parts, labor, tax, time-frame, etc.). This way you'll know exactly what's wrong and what's required to fix it (then you can share that information with us - maybe we can help you repair it yourself.

May 13, 2009 | 2003 Hyundai Santa Fe

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