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CAR STALLS

Tiny
GENUINE1D
  • MEMBER
  • CHEVROLET CAPRICE
1994 GHEVY CAPRICE 4.3. NEW MASS FLOW AIR SEN, FUEL PUMP AND TUNE UP. CAR STALLS AT IDLE, WHEN DRIVING FEELS LIKE IT IS RUNNING OUT OF GAS. NO CHECK ENGINE LIGHT. WHAT CAN I DO TO FIX THE PROBLEM.
Tuesday, October 16th, 2007 AT 1:49 AM

11 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lets check the fuel pressure with a gauge-no eyeball or thumb method. We need to rule out the fuel system.

Further you might want to pull out the IACV and clean it and test the TPS voltages
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Tuesday, October 16th, 2007 AT 3:45 AM
Tiny
GENUINE1D
  • MEMBER
  • 9 POSTS
All was tested and is fine. No spark at times. Will start for a momemt and dies. Check for spark there wasn't any. Changed the distrib. 7 months ago along with the coil and module.
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Tuesday, October 16th, 2007 AT 11:40 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Retest the coil, ICM and distributor pick-up. Check for power at coil when key is in On position and cranking- No power do this get a jumper wire between coil positive terminal and battery positive. Then attempt to start, did it start. If so you need to check the ignition switch.
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Wednesday, October 17th, 2007 AT 2:03 AM
Tiny
GENUINE1D
  • MEMBER
  • 9 POSTS
[quote="rasmataz"]Lets check the fuel pressure with a gauge-no eyeball or thumb method. We need to rule out the fuel system.

Further you might want to pull out the IACV and clean it and test the TPS voltages[/quoe]

Whats the IACV and TPS voltages?
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Wednesday, October 24th, 2007 AT 9:28 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The IACV is the idle air control valve, The TPS is the throttle position sensor. You check voltages on the TPS. Closed and WOT position. The IACV you have to take it out and clean it.
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Wednesday, October 24th, 2007 AT 11:13 PM
Tiny
GENUINE1D
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  • 9 POSTS
My cooling fans comes on only when it gets close to red. Car only stays cool while driving. Ichanged the temp switch, still have the same problem?
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Thursday, November 1st, 2007 AT 8:53 PM
Tiny
GENUINE1D
  • MEMBER
  • 9 POSTS
1994 Chevy Caprice 4.3
Fix the prev. Problem know My cooling fans comes on only when it gets close to red. Car only stays cool while driving. I changed the temp switch, still have the same problem?
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Thursday, November 1st, 2007 AT 8:57 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try replacing the thermostat and check the coolant temperature sensor
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Friday, November 2nd, 2007 AT 5:15 PM
Tiny
GENUINE1D
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  • 9 POSTS
The coolant temperature sensor is what I changed if located on the water pump on 1994 Chevy Caprice. And the thermostat was changed two months ago along with the water pump.
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Saturday, November 3rd, 2007 AT 12:08 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The coolant temperature sensor is what I changed if located on the water pump on 1994 Chevy Caprice. And the thermostat was changed two months ago along with the water pump.[/quote:12b151855a]

The engine coolant temperature sensor is located on front of engine near thermostat housing @ D and the coolant temperature sending unit to guage is @ N5-see below


https://www.2carpros.com/forum/automotive_pictures/12900_cts_2.jpg



www. .com
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Saturday, November 3rd, 2007 AT 2:14 PM
Tiny
GENUINE1D
  • MEMBER
  • 9 POSTS
My car idles high for 2 seconds thin it runs rough after drivind for a while. It will run rough for about 1-2 miles be for runing fine again. It is a 1994 Chevy Caprice 4.3. IACV, TPS, MAP SENSOR, MASS FLOW, CAP ROTOR, SPARK PLUGS AND WIRES, FUEL PUMP AND FILTER, MODULE, COIL ALL WAS CHANGED. CAR CONTINUES TO STALL AT IDEL AND WHILE DRIVING. NO CHECK ENG LIGHT. FUEL PRESURE IS GOOG? NEED HELP NONE OF THE LOCAL SHOPS HAVE NO CLUE.
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Wednesday, December 5th, 2007 AT 12:27 AM

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