95 intrepid won't start cold
yoopermike
11-28-2005, 06:03 PM
this car starts fine all summer but when it gets cold (usually below 0) it turns over fine but won't start. last year when it did it, i towed it home to my heated garage and when it warmed up it would start. it just did it the other day and it was only about 10 degrees. later in the day it started. like i said, it turns over fast but no start. HELP!!
flojob
01-28-2006, 05:58 AM
try cleaning throttle body with cleaner and a toothbrush worked for me
Monster 3.5L
01-29-2006, 05:42 PM
Dude check your spark plugs there's a TSB for 95 3.5L that requires RC12LYC Champion plugs gaped at .035" and posible PCM software updates relating to cold weather starting:banghead:
LHSDriver01
02-03-2006, 05:32 AM
Dude check your spark plugs there's a TSB for 95 3.5L that requires RC12LYC Champion plugs gaped at .035" and posible PCM software updates relating to cold weather starting:banghead:
Here's the TSB:
PCM/Spark Plugs - Cold Weather No Starts
NO: 18-15-95
GROUP: Vehicle Performance
DATE: May 5, 1995
SUBJECT:
Cold Weather No-Starts
MODELS:
1995 (LH) Concorde/Intrepid/Vision/LHS/New Yorker
NOTE : THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 3.5L ENGINE BUILT BEFORE FEB. 17, 1995 (MDH 02-17-XX).
SYMPTOM/CONDITION:
Engine fails to start in extremely cold weather (below 0°F.). Engine will crank and may fire intermittently but does not continue running. Engine may also fail to jump start. It may be necessary to dry spark plugs and move vehicle to a warmer area (repair bay) to start.
DIAGNOSIS:
Using the Mopar Diagnostic System (MDS) or the Scan Tool (DRB III) with the appropriate Diagnostic Manual, verify that all engine systems are functioning as designed. If Diagnostic Trouble Codes (DTC's) are present, record them on the repair order for future reference and repair as necessary.
NOTE :THE FOLLOWING REPAIR PROCEDURE AND PARTS ARE ONLY INTENDED TO IMPROVE COLD STARTING PROBLEMS IN EXTREMELY COLD WEATHER. IT WILL NOT RESOLVE DRIVEABILITY RELATED HARD STARTING OR NO-START COMPLAINTS UNDER OTHER CONDITIONS.
EQUIPMENT/PARTS REQUIRED:
1 CH6OOO Scan Tool (DRBIII)
1 CH7035 General Purpose Interface Bus Cable (GPIB)
1 CH7020 Body Cable
5.5 4761838 Mopar 5W30 Motor Oil
1 5281090 Mopar Oil Filter
6 56027275 Spark Plug (Champion RC-12-LYC)*
1 4275086 Label - Authorized Modification
1 4669020 Label - Authorized Software Update
* Spark Plug, P/N 56027275 (Champion RC-12-LYC), with a .035" gap is the only spark plug certified for the 3.5L engine. For vehicles built between Oct. 24, 1994 and Feb. 17, 1995 the new software included in this bulletin must also be installed.
REPAIR PROCEDURE:
This bulletin involves changing engine oil and filter and replacing spark plugs, and reprogramming the powertrain control module with new software.
1. Replace the plugs with P/N 56027275. Verity gap of 0.035 in. on new plugs before installation.
NOTE :TO REMOVE THE CABLES FROM THE SPARK PLUGS, LIGHTLY GRASP THE RUBBER CAP AT THE TOP OF THE CABLE WITH PLIERS, AND PULL STRAIGHT UP WITH A STEADY TWISTING MOTION. DO NOT PULL ON THE CABLE ITSELF.
2. Change engine oil and filter using Mopar 5W30 oil, P/N 4761S38.
NOTE :REVIEW WITH THE OWNER THE PROPER USE OF 5W30 ENGINE OIL AS DESCRIBED IN THE OWNERS MANUAL. SAE 5W30 AIDS IN LOW TEMPERATURE STARTING AND IMPROVED FUEL ECONOMY, HOWEVER, CONTINUED USE ABOVE 32 DEGREES F. AMBIENT TEMPERATURE MAY CAUSE INTERNAL ENGINE DAMAGE.
Here's the TSB:
PCM/Spark Plugs - Cold Weather No Starts
NO: 18-15-95
GROUP: Vehicle Performance
DATE: May 5, 1995
SUBJECT:
Cold Weather No-Starts
MODELS:
1995 (LH) Concorde/Intrepid/Vision/LHS/New Yorker
NOTE : THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 3.5L ENGINE BUILT BEFORE FEB. 17, 1995 (MDH 02-17-XX).
SYMPTOM/CONDITION:
Engine fails to start in extremely cold weather (below 0°F.). Engine will crank and may fire intermittently but does not continue running. Engine may also fail to jump start. It may be necessary to dry spark plugs and move vehicle to a warmer area (repair bay) to start.
DIAGNOSIS:
Using the Mopar Diagnostic System (MDS) or the Scan Tool (DRB III) with the appropriate Diagnostic Manual, verify that all engine systems are functioning as designed. If Diagnostic Trouble Codes (DTC's) are present, record them on the repair order for future reference and repair as necessary.
NOTE :THE FOLLOWING REPAIR PROCEDURE AND PARTS ARE ONLY INTENDED TO IMPROVE COLD STARTING PROBLEMS IN EXTREMELY COLD WEATHER. IT WILL NOT RESOLVE DRIVEABILITY RELATED HARD STARTING OR NO-START COMPLAINTS UNDER OTHER CONDITIONS.
EQUIPMENT/PARTS REQUIRED:
1 CH6OOO Scan Tool (DRBIII)
1 CH7035 General Purpose Interface Bus Cable (GPIB)
1 CH7020 Body Cable
5.5 4761838 Mopar 5W30 Motor Oil
1 5281090 Mopar Oil Filter
6 56027275 Spark Plug (Champion RC-12-LYC)*
1 4275086 Label - Authorized Modification
1 4669020 Label - Authorized Software Update
* Spark Plug, P/N 56027275 (Champion RC-12-LYC), with a .035" gap is the only spark plug certified for the 3.5L engine. For vehicles built between Oct. 24, 1994 and Feb. 17, 1995 the new software included in this bulletin must also be installed.
REPAIR PROCEDURE:
This bulletin involves changing engine oil and filter and replacing spark plugs, and reprogramming the powertrain control module with new software.
1. Replace the plugs with P/N 56027275. Verity gap of 0.035 in. on new plugs before installation.
NOTE :TO REMOVE THE CABLES FROM THE SPARK PLUGS, LIGHTLY GRASP THE RUBBER CAP AT THE TOP OF THE CABLE WITH PLIERS, AND PULL STRAIGHT UP WITH A STEADY TWISTING MOTION. DO NOT PULL ON THE CABLE ITSELF.
2. Change engine oil and filter using Mopar 5W30 oil, P/N 4761S38.
NOTE :REVIEW WITH THE OWNER THE PROPER USE OF 5W30 ENGINE OIL AS DESCRIBED IN THE OWNERS MANUAL. SAE 5W30 AIDS IN LOW TEMPERATURE STARTING AND IMPROVED FUEL ECONOMY, HOWEVER, CONTINUED USE ABOVE 32 DEGREES F. AMBIENT TEMPERATURE MAY CAUSE INTERNAL ENGINE DAMAGE.
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