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2001 Buick LeSabre 3.8L V6 Repeated P1404 EGR Code After Four Valve Replacements - Diagnosis & Bench Testing Options

I own a 2001 Buick LeSabre with a 3.8L V6 engine. The vehicle has been consistently triggering the P1404 diagnostic trouble code (DTC), which indicates a pintle valve stuck open...

Unknown | P0400
2009-04-27
5 comments
P

Where Is the EGR Valve on a 1998 Pontiac Grand Am 2.4L Engine?

Can anyone provide information about the location of the EGR valve on a 1998 Pontiac Grand Am equipped with a 2.4-liter engine? I'm trying to locate it for maintenance or repair...

PONTIAC 2.4 LITRE | P0400
2008-07-01
0 comments
1

1999 Chevy Suburban P0405 and P0404 Codes: Causes and Solutions

I'm experiencing recurring OBD2 fault codes P0404 (Exhaust Gas Recirculation Circuit Range/Performance) and P0405 (Exhaust Gas Recirculation Sensor A Circuit Low) on my 1999 Che...

1999 Chevy Suburban | P0404
2008-05-01
3 comments
9

1998 Ford Explorer 5.0L V8 Misfire & OBD2 Codes P0401, P0405, P1309 - Diagnosis and Fixes

I own a 1998 Ford Explorer with a 5.0L V8 engine, 2WD, and am experiencing persistent misfire issues, most noticeable at idle, along with a significant drop in fuel efficiency. ...

98 Ford Explorer | P0401
2007-07-23
7 comments
1

1999 Chevy Suburban PO405

I was wondering if anyone out there has had this problem. Mine starts with this code then runs through everything from 02 sensors to cats. The vehicle has had no ill effects. Dr...

1999 Chevy Suburban | P0405
2007-01-03
3 comments
d

P0405 Fault in 2000 Daewoo Lanos: Diagnosis and Repair Solutions

I'm experiencing a persistent P0405 fault on my 2000 Daewoo Lanos with 69,000 miles. The vehicle stalls while driving, requiring frequent towing. I've already replaced the EGR v...

daewoo | P0405
2006-07-27
5 comments
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