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1976 Plymouth Volare, 318, 105K miles. Ran perfectly and ...

Sent to Car Experts June 30, 2006 3:58 p.m.

1976 Plymouth Volare, 318, 105K miles. Ran perfectly and then just didn't want to stop. Diagnosed it with a fuel issue, i.e., no fuel to the carburetor (sp?) but was in the line. Replaced fuel filter and mechanical fuel pump, confirmed fuel to carburetor but now it won't start. It is sluggish. Also replaced distributor cap & rotor and new plug wires. Confirmed firing order and checked for tightness. Made sure battery was fully charged. Any thoughts?

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Pre-1981 volare 318

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Customer (name blocked for privacy)

Status: Closed Value: $9

Info Request
June 30, 2006 6:04 p.m. (2 hours and 5 minutes later)

REPLIED to Info Request

do you have spark at the spark plugs

GENE -- Auto Service Technician -- 100% Positive Feedback on 503 Car Accepts
ASE MASTER TECH 40 YEARS IN THE INDUSTRY

Reply to GENE
Sent June 30, 2006 6:59 p.m. (55 minutes and 13 seconds later)

Yep. Just went out and put the old distributor cap back on and no difference between new and old. I am dumbfounded. Only other things I can come up with is bad coil, bad ignition control module, or regulator. Going to replace plugs now and, I guess, coil. If nothing, then I guess head for control module. This has gotta be a spark issue somewhere. UGH!

Customer (name blocked for privacy)

Answer
June 30, 2006 7:42 p.m. (43 minutes and 36 seconds later)

REPLIED

If you have spark at the plugs its not a ignition problem.pour a little gas into the carb and see if it will start,get back with me on this

GENE -- Auto Service Technician -- 100% Positive Feedback on 503 Car Accepts
ASE MASTER TECH 40 YEARS IN THE INDUSTRY

Reply to GENE
Sent June 30, 2006 9:26 p.m. (1 hour and 43 minutes later)

Already did this prior to your advice and got a brief turn over, backfire, and then back to the non-start position again. I have also checked the choke w/trying to start it w/the butterfly open but doesn't make a difference. I just tried it again and the same identical result.

Customer (name blocked for privacy)

Answer
June 30, 2006 11:36 p.m. (2 hours and 9 minutes later)

ACCEPTED

Ok,we are getting closer the back fire indicates that the firing order or the valve timing is off.Take the # 1 spark plug out and stick your finger into the hole, have a friend bump the motor over until you hear the air being forced out. stop, take a socket wrench and put it on the crankshaft bolt at the crank pulley turn untill the timing marks line up. Remove the distributor cap and see if the rotor is pointing to # 1 on the cap.if it isnt and you have not had the distributor out of the car then the timing chain has skipped a tooth.If it is pointing to #1 then look at the firing order,check timing.

GENE -- Auto Service Technician -- 100% Positive Feedback on 503 Car Accepts
ASE MASTER TECH 40 YEARS IN THE INDUSTRY

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