Why wont ythe new coil fire when it has fire going into it

SOURCE: Truck wont start

Is it getting fuel?
is it getting spark?


as for the code.........here is the code list for gm vehicles



Code: Meaning:
12
No Distributor pulses
13
Oxygen sensor
14
Coolant Temp sensor circuit
15
Coolant Temp sensor circuit
21
Throttle Position Sensor
22
Throttle Position Sensor
23
Manifold Air temperature sensor
24
VSS (Vehicle Speed sensor)
25
Manifold Air temperature sensor
32
EGR system
33
MAP sensor or MAF sensor depending on engine
34
MAP sensor or MAF sensor depending on engine
35
Idle Air Control Valve
36
MAF Burn-off circuit
41
No Distributor pulses, cylinder select error
42
Electronic Spark Timing or Bypass fault
43
Electronic Spark Control fault
44
Lean exhaust
45
Rich exhaust
46
VATS system fault
51
PROM fault
52
CALPAK fault
53
System over-voltage
54
Fuel pump circuit
55
ECM fault
61
Oxygen sensor fault (degraded sensor)

SOURCE: engine sputtered, then died. Towed home. I

Might be fuel pump, or filter is pluged up, best to chg. filter and then do a fuel pressure test.

Shannon Currie

• 178 Answers
• Posted on Dec 21, 2009

SOURCE: 2006 GMC Envoy Engine light comes on in cold

Had the same prob. Mine was the O2 sensors..... I replaced Both and [knock on wood] have had no more probs.......

SOURCE: 2005 gmc safari wont start checked coil spark

how much fuel pressure you have when turn key on

SOURCE: 1998 k1500 5.7L ecm-I fuse blows and wont start

Sounds to me its time to replace your ecm