vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

Rough Idle > < Petrol engines - Refuelled with diesel fuel

Field Remedy: 1128

Subject: Engine driveability, startability - Various calibration problems
Models: Engines: Option:
Astra-F 92...96 X16SZ| X16XEL| X20XEV| C14NZ| C16NZ| C16SE| C18XEL| C20XE
Complaint: Detailed Description of complaints see Remedy.
Cause: Inadequat adaptation of Control Units/EPROM's to different working conditions of the vehicle.
Production:

Remedy:

C14NZ         MY: 92-93       Transmission: MT
Complaint:    TC 24
Remedy:       Control Unit Code "BFFS" 
              Cat./Part No.: 12 37 568/(16 183 409) 

 
C14NZ         MY: 92-93       Transmission: MT
Complaint:    TC 24 ONLY Austria
Remedy:       Control Unit Code "BFFP"
              Cat./Part No.: 12 37 569/(16 183 419)  

C16NZ         MY: 92-93       Transmission: MT
Complaint:    Engine stalls after coasting/when
              changing gear during warming up.
              Full load knocking.
Remedy:       EPROM Code "BLCY" (OLD 16 182 282)     
              Cat./Part No.: 62 37 826/(16 205 221) 

C16NZ         MY: 94          Transmission: MT
Complaint:    Full load knocking.
              (Calibration changed / speed sensor)
Remedy:       EPROM Code "BLDA" 
              Cat./Part No.: 62 37 827/(16 205 268)      

C16SE         MY: 92/93       Transmission: MT/AT
Complaint:    Jerking at part-load range at 2500 rpm.
              Check plug connection of MAP sensor. 
Remedy:       Replace evaporation control valve.       
              Cat./Part No.: 8 07 449/(17 087 069) 
              EPROM Code "BSTM" (replaces BBFD/BCZH)
              Cat./Part No.: 62 37 897/(16 231 457)      

C16SE         MY: 94/95       Transmission: MT
Complaint:    Jerking at part-load range at 2500 rpm.
              Check plug connection of MAP sensor.       
Remedy:       Replace evaporation control valve. 
              Cat./Part No.: 8 07 449/(17 087 069) 
              EPROM Code "BNFZ" (ersetzt BJMH/BSTN)
              Cat./Part No.: 62 37 829/(16 212 912)

X16SZ         MY: 93          Transmission: AT
Complaint:    TC 35,delayed response after coasting;
              engine stalls after selecting drive 
              position during warm up period.
Remedy:       EPROM Code "BNNS"
              Cat./Part No.: 62 37 862/(16 214 444)

X16SZ         MY: 03.93-08.93 Transmission: MT
Complaint:    Delayed response after coasting / 
              changing gear.TC 35.
Remedy:       EPROM Code "BMBT" (replaces "BFZJ")
              Cat./Part No.: 62 37 828/(16 208 922)

 
X16SZ         MY: 09.93-02.94 Transmission: MT
Complaint:    Delayed response after coasting / 
              changing gear.TC 35.
Remedy:       EPROM Code "BJMC" 
              Cat./Part No.:62 37 821/(16 198 311)

X16SZ         MY: 94          Transmission: MT
Complaint:    Poor response,lack of power caused by wrong
              knock signal filter.

              Production Bochum:  19.08.93 - 31.08.93
              VIN No.: R2500000  up to R2511636

              Production Eisenach:        up to 12.93
              VIN No.: R6000000  up to R6029570  

Remedy:       Replace knock signal filter MY 94
              visible No. on housing:
              OLD 884 349 MY 93
              NEW 884 339 MY 94 
              Cat./Part No.: 12 08 000/(16 174 339) 

X16SZ         MY: 94          Transmission: MT
Complaint:    Engine stalls when selection "D" during 
              warming up period.TC 35 
Remedy:       EPROM Code "BPKN" (replaces BJMB)
              Cat./Part No.:62 37 875/(16 218 816) 

X16XEL        MY: 95          Transmission: MT
Complaint:    Engine stalls after coasting/shifting
              poor cold-start;A/C shut off codition.
Remedy:       EPROM Code "BUAN"      
              Cat./Part No.:62 37 976/(16 236 264) 

X16XEL        MY: 95½         Transmission: MT
Complaint:    Poor cold-start;poor throttle response
              jerking with A/C.
Remedy:       EPROM Code "BUAM" (replaces BNLA) 
              Cat./Part No.: 62 37 977/(16 236 763) 

X16XEL        MY: 95½         Transmission: AT
Complaint:    TC 75,76 without reason;idlesaw;
              and stalling.
Remedy:       EPROM Code "BTDT" (replaces BFUK/BSLM)
              Cat./Part No.: 62 37 899/(16 233 672) 

X16XEL        MY: 95-95½      Transmission: MT
Complaint:    Jerking and Bonanza effect during 
              deceleration and between 1400-1600 rpm.
Remedy:       EPROM Code "BYRJ"
              Cat./Part No.: 62 37 986/(16 246 858)

X16XEL        MY: 96          Transmission: MT
Complaint:    Jerking and Bonanza effect during 
              deceleration and between 1400-1600 rpm.
Remedy:       EPROM Code "BYRK"
              Cat./Part No.: 62 37 985/(16 246 868)

C18XEL        MY 95           Transmission: MT
Complaint:    Sticking idle adjuster.
Remedy:       Replace idle adjuster.As of CW 44/95
              new idle adjuster in production.
              Cat./Part No.: 08 37 102 (90 411 546)

X20XE         MY: 92          Transmission: MT
Complaint:    Irregulare idle speed and engine stalls
              during warm up phase.    
Remedy:       Replace ECU.   
              Cat./Part No.: 12 37 461/(90 421 881) 
              Calibration Code "26 RT 2069" or "26 SA 2069"; 
              4-digit code =/>
 "2069"

FunctionalGroup: J - Engine
Complaint Group: 19 - Poor Engine Driveability,21 - Poor Startability
Trouble Code: 24,35,75

Rough Idle > < Petrol engines - Refuelled with diesel fuel