Question about 1988 Ford F 150

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88 f 150 wont start

Changed everything I can think of on this truck. Fuel pumps, coil wires plugs cap rotor computer fuel has good pressure to rail need help

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Have you done a compression check? and you might want to check the map sensor its above the blower motor on the pass. side firewall and what is the pressure on the fuel rail? should be between 45 and 52 i think not running

Posted on Apr 01, 2009

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The most common reason for this issue is that the connection to the gas tank or tanks is rotten or disconnected that leads to the fuel pickup on the top of the tank. If so, you can buy wiring kits or a snap package that leads to the fuel pickup mounted directly above the tank. The quickest way to see if this is the problem, is to check to see if the gauge is working. If not, it's almost a sure thing.

Posted on Dec 14, 2008

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1 Answer

2004 olds alero. new fuel filter and plugs. still wont start.


Did you check for spark at any ot the spark plug wires/ coils? If there is, check for fuel pressure at the fuel rail. Take the port cap off and connect a fuel pressure gauge. If one is not available, with a pocket screw driver deppress valve at port and observe if fuel pours out. If no fuel comes out at all, check your fuel pump circuit. Check for good ground and power at fuel pump connector. If power/ground are ok, replace fuel pump. If spark and good fuel pressure is present, there is the possibility of engine mechanical issues(jumped) timing chain). Also, a plugged catalitic wont let engine start but its very unlikely thats your problem. Start with your basics: spark, fuel, engine mechanical and catalitic.

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My mitsubishi eclipse 95 gs wont start and theres no light on my dash bored it will cranck but wont start at all i need help asap


Since the engine cranks, the battery, starter motor/starter motor solenoid are most likely
good, so suspect everything else on the list. When you narrow it down, re-post with a
more specific question about that particular component, since 100s of components must operate
nearly perfectly for a vehicle to actually start.

Priority Action Part Type -- Cause
1 Inspect Battery -- Battery Discharged or Faulty.
2 Inspect Battery Cable -- Corroded, Broken, Shorted or Poorly Connected Battery Cable.
3 Inspect Battery Cable Connector -- Broken/Corroded/Loose.
4 Inspect Fuel Filter -- Clogged or Dirty Fuel Filter.
5 Inspect Ignition Coil -- Faulty Ignition Coil.
6 Inspect Wireset (aka Spark Plug Wires) -- Worn, Damaged or Faulty Spark Plug Wire(s).
7 Inspect Spark Plug -- Incorrectly Gapped or Fouled Spark Plug(s).
8 Inspect Starter -- Starter Motor Faulty.
9 Inspect Fuel Pump -- Low Fuel Pressure.
10 Inspect Solenoid Switch -- Faulty Starter Solenoid Switch.
11 Inspect Fuel Pump Relay -- Faulty Fuel Pump Relay.
12 Inspect Fuel Injector Pressure Regulator -- Faulty Fuel Injector Pressure Regulator.
13 Inspect Ignition Switch -- Improperly Connected or Faulty Ignition Switch.
14 Inspect Starter Drive -- Faulty Starter Drive.
15 Inspect Fuel Injectors -- Dirty or Worn Fuel Injectors.
16 Inspect Fuel Pump Strainer (inside fuel tank) -- Clogged or Dirty Fuel Pump Strainer.
17 Inspect Engine Control Computer -- Incorrect Operating Information Being Delivered and Sent From The EEC (faulty computer)
18 Inspect Fuel Tank -- Fuel Tank Empty.
19 Inspect Carburetor -- Carburetor Flooded or Faulty Choke.
20 Inspect Distributor Cap -- Worn, Loose, Cracked, or Incorrectly Installed Distributor Cap.
21 Inspect Distributor Rotor -- Worn, Loose, Burnt contact surface
22 Test/Inspect Neutral Safety Switch -- Faulty Neutral Safety Switch

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1 Answer

98 jimmy starts... but then dies and will not start back up untill later,changed fuel filter


Have you checked your fuel pressure. You may have a bad fuel pump. If you have good fuel pressure take a good look at your cap and rotor. 4.3 liters have a notorious cap and rotor problem along with a coil wire issue. The coil wire can rub on the firewall or other places and cause you problems. I would start with checking your fuel pressure with a fuel pressure gauge.

May 03, 2011 | 1998 GMC Jimmy

2 Answers

I replaced the fuel pump on my truck last night and still wont start, seems like its still not gettin fuel to the engine. it turns over but just wont fire up, what can i do?


You need to check the fuel pressure with a fuel pressure tester.Then you will know for sure if the fuel is reaching the engine or not.If you don`t have a tester spray carb.cleaner into the throttle body and if the problem is fuel it should start momentarily.Anytime you change the pump you should also change the filter to.If it does not start then you need to check for spark at the spark plugs.Check cap and rotor and make sure rotor does not have a hole in the tab that contacts the cap plunger.This will cause a no start.Hope this helps.Good luck.

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2 Answers

My truck will not start just cranks but will not fire


Air - not likely the problem ! mechanical cable controlled throttle body

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Spark- ignition - coil-distributor-ignition module (or coil packs)- wires-plugs-ignition module (signals coil to discharge, mounted beneath distr cap) work backwards from plugs.

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1 Answer

My 1991 chevy 4.3 s-10 pickup wont start or stay running


check the fuel preasure regulator, using a vacuum pump check the unit and see if it holds vacuum if not replace unit

Sep 27, 2009 | 1991 Chevrolet S-10

1 Answer

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Spray starting fluid in throttle body to see if it starts if so change the fuel pump. Check fuel pump make sure it is kick on the fuel pressure should read 30 psi to start the truck.

Apr 22, 2009 | 1995 Ford F150 Styleside Regular Cab

2 Answers

Wont start


Do you have fuel pressure?? There should be a service port located on rear of engine fuel rail.

Apr 03, 2009 | 1999 Chevrolet Astro

1 Answer

88 f 15- wont start have change coil, rotor, cap, plugs, fuel pumps, computer been working to get truck going 4 days no luck.


You need to see if you have fuel pressure at the fuel rail. Do you have any spark at coil and if you do is there spark at plug wire? If no spark at either check the ignition module and pickup coil.

Dec 11, 2008 | 1988 Ford F 150

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